Gerald Genta Arena Bi-Rétro Watches index
Quotations from second hand watches Gerald Genta Arena Bi-Rétro
Price of second hand watches Gerald Genta Arena Bi-Rétro
On Replica Handbag and Jewelry Shopping
On Replica Handbag and Jewelry Shopping
See the reference quote of Gerald Genta Arena Bi-Rétro
Search for a referenceDetails (23 results)
-
Sale date : 12/12/2023Country : Switzerland
Christies #30019 - 2023-12 - Watches Online: The Geneva EditGenevaLot ID : 248- CHF
- EUR
- USD
Sold:- 6048
- 6048
- 6048
Estimation:- 3000 - 6000
- 3000 - 6000
- 3000 - 6000
Brand : Gerald GentaModel : Arena Bi-RétroReference : Gerald Genta - Bspy80
Category : wristletxPeriod : 2000'sWatch ID : PAPERSMovement : AutomaticCase material : TitaniumDial color : YellowReference Detail : BSP . Y . 80
GERALD GENTA, TITANIUM JUMP HOUR 'ARENA BI-RETRO' WITH RETROGRADE MINUTES, REF. BSP.Y.80
Description : CIRCA: 2000s;CASE NO: 119'338;CASE MATERIAL: Titanium;CASE DIAMETER: 45 mm.;BRACELET MATERIAL: Titanium;BRACELET SIZE: Approx. 180 mm. overall length;DIAL: Yellow;MOVEMENT: Automatic;FUNCTIONS: Jump hour, retrograde minutes, date;BOX: No;PAPERS: NoGERALD GENTA, TITANIUM JUMP HOUR 'ARENA BI-RETRO' WITH RETROGRADE MINUTES, REF. BSP.Y.80
-
Sale date : 12/12/2023Country : Switzerland
Christies #30019 - 2023-12 - Watches Online: The Geneva EditGenevaLot ID : 248- CHF
- EUR
- USD
Sold:- 6048
- 6048
- 6048
Estimation:- 3000 - 6000
- 3000 - 6000
- 3000 - 6000
Brand : Gerald GentaModel : Arena Bi-RétroReference : Gerald Genta - Bspy80
Category : wristletxPeriod : 2000'sWatch ID : PAPERSMovement : AutomaticCase material : TitaniumDial color : YellowReference Detail : BSP . Y . 80
GERALD GENTA, TITANIUM JUMP HOUR 'ARENA BI-RETRO' WITH RETROGRADE MINUTES, REF. BSP.Y.80
Description : CIRCA: 2000s;CASE NO: 119'338;CASE MATERIAL: Titanium;CASE DIAMETER: 45 mm.;BRACELET MATERIAL: Titanium;BRACELET SIZE: Approx. 180 mm. overall length;DIAL: Yellow;MOVEMENT: Automatic;FUNCTIONS: Jump hour, retrograde minutes, date;BOX: No;PAPERS: NoGERALD GENTA, TITANIUM JUMP HOUR 'ARENA BI-RETRO' WITH RETROGRADE MINUTES, REF. BSP.Y.80
-
Sale date : 10/12/2021Country : United States
Christies #2106 - 2021-12 - Christie’s Fine Watchmaking: Important Timepieces and the Independent CollectionNew YorkLot ID : 213- USD
- EUR
- USD
Sold:- 20000
- 14264
- 20000
Estimation:- 6000 - 10000
- 4279 - 7132
- 6000 - 10000
Brand : Gerald GentaModel : Arena Bi-Rétro
Category : Wrist WatchPeriod : 2000'sMovement : AutomaticDial color : GreyComplications : Date
GERALD GENTA, ARENA BI RETRO JUMP HOUR, 18K ROSE GOLD AND TANTALUM -
Description : CIRCA: 2005,CASE MATERIAL: 18K Rose Gold and Tantalum,CASE DIAMETER: 45mm,CASE NO’: 122142,DIAL: Grey and Rose Guilloche,MOVEMENT: Automatic,FUNCTIONS: Retrograde Minutes and Date, Jump hour,BOX: Yes,PAPERS: Yes,ACCESSORIES: Gerald Genta Signed 18k Gold Folding Buckle, Gerald Genta Inner & Outer Presentation Box, Black Leather Folder,Product Literature, Certificate (not dated),This endangered species strap is shown for display purposes only and is not for sale. Upon sale, the strap will be removed.GERALD GENTA, ARENA BI RETRO JUMP HOUR, 18K ROSE GOLD AND TANTALUM -
-
Sale date : 12/05/2021Country : Switzerland
Sothebys #2111 - 2021-05 - Important Watches: Part IIGenevaLot ID : 439- CHF
- EUR
- USD
Sold:- 3780
- 3084
- 4322
Estimation:- 3000 - 5000
- 2448 - 4080
- 3430 - 5717
Brand : Gerald GentaModel : Arena Bi-Rétro
Category : Wrist WatchPeriod : 2000'sWatch ID : PAPERSMovement : AutomaticCaliber : CAL GG7723 TCase material : TitaniumWith diamonds : Yes :Dial color : BlackReference Detail : BSP . Y . 80 ,Clasp type : Folding claspDimensions : 45 mmComplications : Date
Gérald Genta
Description : Gérald Genta,Arena BiRetro, Ref. BSP.Y.80,Titanium jumping hour wristwatch with retrograde minutes, date and bracelet,Circa 2009,Gérald Genta BSP.Y.80型號「Arena BiRetro」鈦金屬跳時鍊帶腕錶備分鐘逆跳及日期顯示,年份約2009,Dial: black,Calibre: cal. GG7723 automatic, 27 jewels,Movement number: 05'207,Case: titanium, sapphire crystal display back secured by 8 screws,Case number: 119'328,Closure: titanium Gérald Genta bracelet and double-folding clasp,Dimensions: 45 mm, bracelet circumference approx. 215 mm,Signed: case, dial and movement,Box: no,Papers: no,Accessories: noneGérald Genta
-
Sale date : 07/10/2020Country : Hong Kong SAR China
Bonhams #26276 - 2020-10 - Luxury Online | Watches, Jewellery, Pens HandbagsHong KongLot ID : 531- €
- EUR
- USD
Sold:- 6207
- 0
Brand : Gerald GentaModel : Arena Bi-Rétro
Category : Wrist WatchPeriod : 2000'sMovement : AutomaticCaliber : GA3 TWith diamonds : Yes :Dial color : BlueReference Detail : ARENA BIClasp type : Folding claspComplications : Date
Gerald Genta | Arena Bi-retro, A Stainless Steel and Diamond-set Bi-Retrograde Jumping Hour Wristwatch with Date, Circa 2005
Description : Model/Reference: Arena Bi-Retro/ BSP.Y.10,Movement: Signed,Case No: 117956,Year: Circa 2005,Calibre: GA3, automatic,Dial: Blue and orange, signed,Case: 47mm, stainless steel diamond-set, case back secured with screws, signed, total carat weight approximately 1.69ct,Strap: Rubber, stainless steel deployant clasp, signed,Accompaniments: Gerald Genta presentation box and certificateGerald Genta | Arena Bi-retro, A Stainless Steel and Diamond-set Bi-Retrograde Jumping Hour Wristwatch with Date, Circa 2005
-
Sale date : 05/10/2016Country : Hong Kong SAR China
Sothebys #HK0671 - 2016-10 - Important WatchesHong KongLot ID : 2022- HKD
- EUR
- USD
Sold:- 37500
- 3443
- 4826
Estimation:- 30000 - 40000
- 2754 - 3672
- 3861 - 5148
Brand : Gerald GentaModel : Arena Bi-Rétro
Category : Wrist WatchPeriod : 2000'sMovement : AutomaticCase material : SteelWith diamonds : Yes :Complications : Date
Gérald Genta
Description : A STAINLESS STEEL AND DIAMOND-SET AUTOMATIC JUMP HOUR WRISTWATCH WITH RETROGRADE DATE BI-RETRO CIRCA 2004Gérald Genta
-
Sale date : 27/06/2015Country : Hong Kong SAR China
Antiquorum #292 - 2015-06 - Important Modern Vintage TimepiecesHong KongLot ID : 141- HKD
- EUR
- USD
Not sold- ...
- ...
- ...
Estimation:- 28000 - 45000
- 2570 - 4131
- 3604 - 5792
Brand : Gerald GentaModel : Arena Bi-Rétro
Category : Wrist WatchPeriod : 2000'sMovement : AutomaticCase material : TitaniumReference Detail : BSP . Y . 80 . .Clasp type : Folding claspComplications : Date
GERALD GENTA ARENA BIRETRO TITANIUM.Gérald Genta, Arena BiRetro, case No. 124402, Ref. BSP.Y.80..Sold on November 6th, 2009..Fine, self-winding, water-resistant, jump hour titanium.wristwatch with retrograde minutes and retrograde date with a.titanium Gér
GERALD GENTA ARENA BIRETRO TITANIUM.Gérald Genta, Arena BiRetro, case No. 124402, Ref. BSP.Y.80..Sold on November 6th, 2009..Fine, self-winding, water-resistant, jump hour titanium.wristwatch with retrograde minutes and retrograde date with a.titanium Gér
-
Sale date : 30/11/2011Country : Hong Kong SAR China
Christies #2869 - 2011-11 - Important watchesHong KongLot ID : 3930- HKD
- EUR
- USD
Sold:- 35000
- 3213
- 4505
Estimation:- 24000 - 40000
- 2203 - 3672
- 3089 - 5148
Brand : Gerald GentaModel : Arena Bi-RétroReference : Gerald Genta - Bspy10
Category : Wrist WatchPeriod : 2000'sMovement : AutomaticCaliber : GG7723Case material : SteelCase form : RoundDial color : RedReference Detail : BSP Y 10Clasp type : Folding claspComplications : Date, Central second
GERALD GENTA. A STAINLESS STEEL AUTOMATIC JUMP HOUR DOUBLE RETROGRADE WRISTWATCH WITH SWEEP CENTRE SECONDS AND DATE
Description : Lot Description.GERALD GENTA. A STAINLESS STEEL AUTOMATIC JUMP HOUR DOUBLE RETROGRADE WRISTWATCH WITH SWEEP CENTRE SECONDS AND DATE.SIGNED GERALD GENTA, ARENA BI-RETRO MODEL, REF. BSP.Y.10, CASE 115163, CIRCA 2007.Cal. GG7723, nickel-finished lever movement, 27 jewels, pierced red dial, red Arabic numerals for the retrograde minutes and date on two mint green sectors indicated by pierced silvered hands, sweep centre seconds, aperture for the jumping hour, in large circular case, milled band, back secured by six screws, stainless steel Gerald Genta deployant clasp, case, crystal and movement signed.47 mm. wide._____________ _______________ ____Arena Bi-Retro_ __BSP.Y.10__2007__.Special Notice.Prospective purchasers are advised that several countries prohibit the importation of property containing materials from endangered species, including but not limited to coral, ivory and tortoiseshell. Accordingly, prospective purchasers should familiarize themselves with relevant customs regulations prior to bidding if they intend to import this lot into another country..View Lot Notes ›GERALD GENTA. A STAINLESS STEEL AUTOMATIC JUMP HOUR DOUBLE RETROGRADE WRISTWATCH WITH SWEEP CENTRE SECONDS AND DATE
-
Sale date : 15/11/2010Country : Switzerland
Christies #1376 - 2010-11 - Important watchesGenevaLot ID : 2- CHF
- EUR
- USD
Sold:- 3750
- 3060
- 4287
Estimation:- 2000 - 3000
- 1632 - 2448
- 2287 - 3430
Brand : Gerald GentaModel : Arena Bi-RétroReference : Gerald Genta - 2714
Category : Wrist WatchPeriod : 1990'sWatch ID : 78833Movement : AutomaticCase material : White goldCase form : RoundDial color : WhiteReference Detail : G. 2714Clasp type : Folding claspComplications : Date
Gerald Genta. An 18K white gold automatic retrograde jump hour wristwatch with date
Description : Lot Description.Gerald Genta. An 18K white gold automatic retrograde jump hour wristwatch with date.Signed Gérald Genta, Retro, Automatic, ref. G.2714, case no. 78'833, circa 1995.Nickel-finished lever movement, 21 jewels, white dial, window for the jumping hours, large fan-shaped sector for retrograde minutes, small fan-shaped sector for the retrograde date, circular case, straight lugs, ribbed sides, back secured by six screws, beaded crown, 18K white gold Gérald Genta clasp, case, dial and movement signed.34 mm. diam..Special Notice.This lot is offered without reserve. Prospective purchasers are advised that several countries prohibit the importation of property containing materials from endangered species, including but not limited to coral, ivory and tortoiseshell. Accordingly, prospective purchasers should familiarize themselves with relevant customs regulations prior to bidding if they intend to import this lot into another country.Gerald Genta. An 18K white gold automatic retrograde jump hour wristwatch with date
-
Sale date : 13/11/2010Country : Switzerland
Antiquorum #242 - 2010-11 - Important Modern and Vintage Timepieces.GenevaLot ID : 496- CHF
- EUR
- USD
Sold:- 4875
- 3978
- 5574
Estimation:- 2000 - 4000
- 1632 - 3264
- 2287 - 4573
Brand : Gerald GentaModel : Arena Bi-RétroReference : Gerald Genta - Bspy10
Category : Wrist WatchPeriod : 2000'sMovement : AutomaticCaliber : GG7723Case material : SteelReference Detail : BSP . Y . 10 .Clasp type : Folding claspThickness : 12 mmComplications : Date, Central second
G_rald Genta Arena Biretro.G_rald Genta, Arena BiRetro, case No. 115335.Ref. BSP.Y.10. Made in 2003..Fine, center seconds, self-winding, water-resistant, jump.hour stainless steel wristwatch with retrograde minutes.retrograde date and a stainless steel G_
Description : C. Three-body, rounded bezel, straight lugs with screwed.bars, fluted band, case back with 6 screws, protected ballshaped.winding crown edged with dots, sapphire crystal.corrector on the band..D. Bi-color, red and satine gilt with large red Arabic.numerals for the retrograde minutes sector, aperture for the.jump-hour at 12, sector for the retrograde date at 6, outer.1/5th seconds track quarter Arabic markers. Steel skeleton.hands..M. Cal. GG7723, rhodium plated, oeil-de-perdrix.decoration, 27 jewels, straight-line lever escapement.monometallic balance, shock absorber, self-compensating.flat balance spring, hack mechanism..Dial, case and movement signed..Diam. 45 mm. Thickness 12 mm.G_rald Genta Arena Biretro.G_rald Genta, Arena BiRetro, case No. 115335.Ref. BSP.Y.10. Made in 2003..Fine, center seconds, self-winding, water-resistant, jump.hour stainless steel wristwatch with retrograde minutes.retrograde date and a stainless steel G_
-
Gerald Genta : Arena Bi-RétroSale date : 08/05/2010Country : Switzerland
Antiquorum #235 - 2010-05 - Important Collectors' Wristwatches, Pocket Watches ClocksGenevaLot ID : 18Brand : Gerald GentaModel : Arena Bi-RétroReference : Gerald Genta - Bspy10
Category : Wrist WatchPeriod : 2000'sMovement : AutomaticCaliber : GG7723Case material : SteelBracelet material : *caout*Reference Detail : BSP . Y . 10 .Clasp type : Folding claspThickness : 12 mmComplications : Date, Central second
Log in to consult the next resultsG_rald Genta Arena BiRetro.G_rald Genta, Arena BiRetro, case No. 116324.Ref. BSP.Y.10. Made circa 2005..Fine, center seconds, self-winding, water-resistant, jump hour.stainless steel wristwatch with retrograde minutes, retrograde.date and a G_rald Genta b
-
Gerald Genta : Arena Bi-RétroSale date : 09/12/2009Country : United States
Antiquorum #223 - 2009-12 - Important Collectors' Wristwatches, Pocket Watches ClocksNew YorkLot ID : 188Brand : Gerald GentaModel : Arena Bi-RétroReference : Gerald Genta - Bspy10
Category : Wrist WatchPeriod : 2000'sMovement : AutomaticCaliber : GG7723Case material : SteelReference Detail : BSP . Y . 10 .Clasp type : Folding claspThickness : 12 mmComplications : Date, Central second
Log in to consult the next resultsG_rald Genta Arena BiRetro.G_rald Genta, Arena BiRetro, case No. 114608.Ref. BSP.Y.10. Made in 2003..Fine, center seconds, self-winding, water-resistant, jump hour.stainless steel wristwatch with retrograde minutes, retrograde.date and a stainless steel G
-
Gerald Genta : Arena Bi-RétroSale date : 09/12/2009Country : United States
Antiquorum #223 - 2009-12 - Important Collectors' Wristwatches, Pocket Watches ClocksNew YorkLot ID : 187Brand : Gerald GentaModel : Arena Bi-RétroReference : Gerald Genta - Bspy10
Category : Wrist WatchPeriod : 2000'sMovement : AutomaticCaliber : GG7723Case material : SteelReference Detail : BSP . Y . 10 .Clasp type : Folding claspThickness : 12 mmComplications : Date, Central second
Log in to consult the next resultsG_rald Genta Arena BiRetro.G_rald Genta, Arena BiRetro, case No. 116541.Ref. BSP.Y.10. Made circa 2005..Fine, center seconds, self-winding, water-resistant, jump hour.stainless steel wristwatch with retrograde minutes, retrograde.date and a stainless stee
-
Gerald Genta : Arena Bi-RétroSale date : 17/09/2009Country : United States
Antiquorum #219 - 2009-09 - Important Collector's Wristwatches, Pocket Watches ClocksSession 1New YorkLot ID : 203Brand : Gerald GentaModel : Arena Bi-RétroReference : Gerald Genta - Bspy80
Category : Wrist WatchPeriod : 2000'sWatch ID : 124249Caliber : 7723Case material : SteelDial color : AnthraciteReference Detail : BSP . Y . 80 .Clasp type : Folding claspThickness : 13 mmComplications : Date, Central second
Log in to consult the next resultsTitanium Arena Sport Bi-Retro.G_rald Genta, Gen
-
Gerald Genta : Arena Bi-RétroSale date : 27/06/2009Country : Hong Kong SAR China
Antiquorum #216 - 2009-06 - Important Collectors' Wristwatches, Pocket Watches ClocksHong KongLot ID : 39Brand : Gerald GentaModel : Arena Bi-RétroReference : Gerald Genta - Bspy80
Category : Wrist WatchPeriod : 2000'sCaliber : GG7723Case material : TitaniumReference Detail : BSP . Y . 80 .Clasp type : Folding claspThickness : 13 mmComplications : Date
Log in to consult the next resultsArena BiRetro.G_rald Genta, Arena BiRetro.case No. 119528, Ref. BSP.Y.80. Made.circa 2006..Fine, self-winding, water-resistant, jump.hour titanium wristwatch with retrograde.minutes and retrograde date with.a stainless steel G_rald Genta double.deployant
-
Gerald Genta : Arena Bi-RétroSale date : 27/06/2009Country : Hong Kong SAR China
Antiquorum #216 - 2009-06 - Important Collectors' Wristwatches, Pocket Watches ClocksHong KongLot ID : 41Brand : Gerald GentaModel : Arena Bi-RétroReference : Gerald Genta - Birl10
Category : Wrist WatchPeriod : 2000'sCaliber : GA 4700Case material : SteelDial color : BrownBracelet material : *blstl*Reference Detail : BIR . L . 10 .Clasp type : Folding claspThickness : 10.5 mmComplications : Date
Log in to consult the next resultsBiretro.G_rald Genta, Biretro, case.No. 99633, Ref. BIR.L.10. Made in the.2000s..Fine and unusual, jump-hour, selfwinding.water-resistant, stainless steel.and diamond wristwatch with retrograde.minutes, retrograde date and a stainless.steel Gerald Genta l
-
Gerald Genta : Arena Bi-RétroSale date : 27/06/2009Country : Hong Kong SAR China
Antiquorum #216 - 2009-06 - Important Collectors' Wristwatches, Pocket Watches ClocksHong KongLot ID : 38Brand : Gerald GentaModel : Arena Bi-RétroReference : Gerald Genta - Bspy80
Category : Wrist WatchPeriod : 2000'sCaliber : GG7723Case material : TitaniumBracelet material : *titan*Reference Detail : BSP . Y . 80 .Clasp type : Folding claspThickness : 14 mmComplications : Date
Log in to consult the next resultsArena BiRetro.G_rald Genta, Arena BiRetro.case No. 119361, Ref. BSP.Y.80. Made.circa 2006..Fine, self-winding, water-resistant, jump.hour titanium wristwatch with retrograde.minutes and retrograde date with.a titanium G_rald Genta link bracelet.with conce
-
Gerald Genta : Arena Bi-RétroSale date : 10/06/2009Country : United States
Christies #2161 - 2009-06 - WatchesNew York, Rockefeller PlazaLot ID : 20Brand : Gerald GentaModel : Arena Bi-RétroReference : Gerald Genta - Bspy80
Category : Wrist WatchPeriod : 2000'sWatch ID : 119958Movement : AutomaticCaliber : 7723Case material : TitaniumCase form : RoundDial color : YellowReference Detail : BSP Y 80Clasp type : Folding claspComplications : Date, Central second
Log in to consult the next resultsGERALD GENTA. A TITANIUM AUTOMATIC JUMP HOUR WRISTWATCH WITH RETROGRADE MINUTES AND DATE
-
Gerald Genta : Arena Bi-RétroSale date : 14/06/2006Country : United States
Antiquorum #119 - 2006-06 - Important Collectors’ Wristwatches, Pocket Watches, Clocks Horological ToolsNew YorkLot ID : 114Brand : Gerald GentaModel : Arena Bi-RétroReference : Arena Bi-Rétro
Category : Wrist WatchPeriod : 2000'sMovement : AutomaticCaliber : 7710Case material : SteelDial color : Two-toneClasp type : Folding claspThickness : 12 mmComplications : Date
Log in to consult the next resultsArena Biretro.G_rald Genta, Arena.Biretro, Made in the.2000s..Fine and unusual, jump-hour, self-winding.water-resistant, stainless steel.gentleman's wristwatch with retrograde.minutes, retrograde date and a.G_rald Genta stainless steel deployant.clasp.
-
Gerald Genta : Arena Bi-RétroSale date : 22/09/2004Country : United States
Antiquorum #73 - 2004-09 - Important Collector's Wristwatches Pocket WatchesNew YorkLot ID : 273Brand : Gerald GentaModel : Arena Bi-RétroReference : Gerald Genta - 3707
Category : Wrist WatchPeriod : 1990'sMovement : AutomaticCaliber : 1961Case material : SteelBracelet material : *blstl*Reference Detail : G. 3707 .Clasp type : Folding claspComplications : Date, Central second, Time Zones
Log in to consult the next resultsG_rald Genta, Gen
-
Gerald Genta : Arena Bi-RétroSale date : 06/06/2004Country : Hong Kong SAR China
Antiquorum #71 - 2004-06 - Important Collector’s Wristwatches, Pocket Watches ClocksHong KongLot ID : 225Brand : Gerald GentaModel : Arena Bi-RétroReference : Gerald Genta - 4042
Category : Wrist WatchWatch ID : 1Movement : AutomaticCaliber : 424 HAND ENGRAVEDCase material : Yellow GoldCase form : RoundReference Detail : G. . 4042 .Complications : Calendar, Date, Minute repeater
Log in to consult the next resultsG_rald Genta, Gen
-
Gerald Genta : Arena Bi-RétroSale date : 06/06/2004Country : Hong Kong SAR China
Antiquorum #71 - 2004-06 - Important Collector’s Wristwatches, Pocket Watches ClocksHong KongLot ID : 240Brand : Gerald GentaModel : Arena Bi-RétroReference : Gerald Genta - 4042
Category : Wrist WatchPeriod : 1990'sWatch ID : 1Movement : AutomaticCaliber : 424 HAND ENGRAVEDCase material : PlatinumCase form : RoundDial color : SilverReference Detail : G. . 4042 .Clasp type : Folding claspComplications : Calendar, Date, Minute repeater
Log in to consult the next resultsG_rald Genta, Gen
-
Gerald Genta : Arena Bi-RétroSale date : 26/05/2004Country : United States
Antiquorum #52 - 2004-05 - Important Collector’s Wristwatches, Pocket Watches ClocksNew YorkLot ID : 281Brand : Gerald GentaModel : Arena Bi-RétroReference : Gerald Genta - 3707
Category : Wrist WatchPeriod : 1990'sMovement : AutomaticCaliber : 1961Case material : SteelReference Detail : G. 3707 .Complications : Date, Central second, Time Zones
Log in to consult the next resultsG_rald Genta, Gen
On Replica Handbag and Jewelry Shopping
On Replica Handbag and Jewelry Shopping
Want an estimate?
Request a valuation-
Cartier
The third most widely sold watch brand at auction
-
Rolex Datejust
Its average price increased by more than 160% in 16 years
-
Rolex Daytona
Its average price has multiplied by 2 in 12 years