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Rolex GMT-Master II 116759SARU june 2020 Rolex warranty
TOP
Rolex GMT-Master II 116759SARU june 2020 Rolex warranty
RM296,803
Seller
MMC RIVIERA
6
MC
Franck Muller 18Kt Perpetual Calendar Moon folding closure
TOP
Franck Muller 18Kt Perpetual Calendar Moon folding closure
RM66,924
Seller
Ingo Freiherr von Seld
9
DE
Rolex Sea-Dweller Deepsea
Rolex Sea-Dweller Deepsea
RM54,853
Seller
Private Seller
MY
Omega De Ville Prestige 18K Gold Luxusuhr Goldband Unisex...
TOP
Omega De Ville Prestige 18K Gold Luxusuhr Goldband Unisex...
RM33,505
Seller
Uhrenkapital
322
DE
Perrelet Turbine Macau  (Limited Edition)
TOP
Perrelet Turbine Macau (Limited Edition)
RM19,627
Free shipping
Seller
Istock LTD
99
LV
Ulysse Nardin Maxi Marine Diver 200m 45mm NEW
TOP
Ulysse Nardin Maxi Marine Diver 200m 45mm NEW
RM28,675
Seller
Timepiece Bank
382
BE
Ulysse Nardin Marine Chronometer Blue Dial - FULL SET / 263-67
TOP
Ulysse Nardin Marine Chronometer Blue Dial - FULL SET / 263-67
RM17,234
Free shipping
Seller
Pawndeluxe
141
NL
Hublot King Power F1 India,  Ltd Edition, Box & Papers
TOP
Hublot King Power F1 India, Ltd Edition, Box & Papers
RM88,019
Seller
Tempvs Ltd
108
UK
Rolex Daydate
Rolex Daydate
RM41,888
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
230
DE
Panerai Luminor Marina Automatic Acciaio
Panerai Luminor Marina Automatic Acciaio
RM25,085
Seller
LUX-Timepieces GmbH
639
DE
Breitling Transocean Unitime Pilot
Breitling Transocean Unitime Pilot
RM20,806
Seller
The Watch Movement
 
US
Rolex Sea-Dweller
Rolex Sea-Dweller
RM58,268
Seller
Labelle Jewelry
40
US
Rolex Datejust Medium 18K Gold President blue Dial Box Papers rar
TOP
Rolex Datejust Medium 18K Gold President blue Dial Box Papers rar
RM47,867
Seller
Uhrenkapital
322
DE
Rolex Submariner Ref. 16610
Rolex Submariner Ref. 16610
RM28,675
Seller
Henry´s Auktionshaus AG
DE
Rolex Air King
Rolex Air King
RM15,750
Seller
Pfandhaus SCHUMACHERS GmbH
5
DE
Bulgari Diagono Scuba SC38G 18K Gold Chronograph - FULL SET
TOP
Bulgari Diagono Scuba SC38G 18K Gold Chronograph - FULL SET
RM26,329
Free shipping
Seller
Pawndeluxe
141
NL
Omega Seamaster DIVER 300 Co-Axial 300 M 41 mm  Blue Dial
Omega Seamaster DIVER 300 Co-Axial 300 M 41 mm Blue Dial
RM13,165
Free shipping
Seller
SORELLE RONCO
608
IT
Omega Seamaster 300 Liquidmetal
Omega Seamaster 300 Liquidmetal
RM22,739
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
230
DE
Breitling Navitimer 01 (46mm)
Breitling Navitimer 01 (46mm)
RM30,159
Seller
LUX-Timepieces GmbH
639
DE
Breitling Avenger II Seawolf
Breitling Avenger II Seawolf
RM9,985
Seller
The Watch Movement
 
US
Rolex Datejust 126334
Rolex Datejust 126334
RM38,291
Seller
Labelle Jewelry
40
US
Rolex Datejust 41--126334--2018--EU--
Rolex Datejust 41--126334--2018--EU--
RM34,707
Seller
Marchal Watches
 
NL
Breitling Navitimer World A24322
Breitling Navitimer World A24322
RM21,494
Seller
Henry´s Auktionshaus AG
DE
TAG Heuer Grand Carrera Black Dial Leather Strap Men's Watch...
TAG Heuer Grand Carrera Black Dial Leather Strap Men's Watch...
RM13,281
Seller
Certified Watch Store
33
US
Ulysse Nardin Marine Chronometer Automatic Mens Watch 1183-126...
Ulysse Nardin Marine Chronometer Automatic Mens Watch 1183-126...
RM26,616
Seller
Watch Obsession
5
US
Rolex Yacht-Master Blu Dial Oyster Rolesium 40mm 116622
Rolex Yacht-Master Blu Dial Oyster Rolesium 40mm 116622
RM47,393
Free shipping
Seller
SORELLE RONCO
608
IT
Breitling Herrenarmbanduhr Galactic 44
Breitling Herrenarmbanduhr Galactic 44
RM14,122
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
230
DE
Breitling BENTLEY B06 MIDNIGHT CARBON CHRONOGRAPH LIMITED EDITION
Breitling BENTLEY B06 MIDNIGHT CARBON CHRONOGRAPH LIMITED EDITION
RM47,871
Seller
LUX-Timepieces GmbH
639
DE
IWC Aquatimer Chronograph
IWC Aquatimer Chronograph
RM32,069
Seller
GMT SRL
 
IT
Omega Seamaster America's Cup
Omega Seamaster America's Cup
RM10,532
Seller
COMPRA-VENTA JAVIER CALVO
ES
Breitling Chrono-Matic 1461 (A19360)
Breitling Chrono-Matic 1461 (A19360)
RM16,644
Seller
The Watch Movement
 
US
Rolex Pearlmaster Diamonds Reference 69308
Rolex Pearlmaster Diamonds Reference 69308
RM85,690
Seller
Henry´s Auktionshaus AG
DE
Omega Watch Planet Ocean 232.30.38.20.01.001
Omega Watch Planet Ocean 232.30.38.20.01.001
RM15,523
Seller
Watchfinder.co.uk Ltd
UK
Omega Speedmaster Professional Moon To Mars
Omega Speedmaster Professional Moon To Mars
RM20,271
Seller
Wrights The Jewellers
 
UK
Omega Seamaster AQUA TERRA Co-Axial Master Chronometer.Steel
Omega Seamaster AQUA TERRA Co-Axial Master Chronometer.Steel
RM18,909
Free shipping
Seller
SORELLE RONCO
608
IT
Breitling Colt Chronograph Automatic
Breitling Colt Chronograph Automatic
RM16,276
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
230
DE
Omega Seamaster Planet Ocean 600 M Co-Axial Master Chronometer
Omega Seamaster Planet Ocean 600 M Co-Axial Master Chronometer
RM20,728
Seller
LUX-Timepieces GmbH
639
DE
Chopard Mille Miglia Jacky Ickx Edition 4 (Revision von 07/18)
Chopard Mille Miglia Jacky Ickx Edition 4 (Revision von 07/18)
RM20,058
Seller
Pfandhaus SCHUMACHERS GmbH
5
DE
Omega Seamaster Planet Ocean
Omega Seamaster Planet Ocean
RM14,361
Seller
COMPRA-VENTA JAVIER CALVO
ES
Breitling Navitimer Heritage Blue Dial
Breitling Navitimer Heritage Blue Dial
RM16,644
Seller
The Watch Movement
 
US
Panerai Ferrari FER00003 Full Set
Panerai Ferrari FER00003 Full Set
RM16,707
Seller
Henry´s Auktionshaus AG
DE
TAG Heuer Watch Grand Carrera CAV5185.FT6020
TAG Heuer Watch Grand Carrera CAV5185.FT6020
RM19,471
Seller
Watchfinder.co.uk Ltd
UK
L.Leroy Tourbillon Automatic Regulator Chronometer
L.Leroy Tourbillon Automatic Regulator Chronometer
RM355,852
Seller
JzandF
 
US
IWC Portuguese Chronograph 41mm IW371445 Ex IW371401
IWC Portuguese Chronograph 41mm IW371445 Ex IW371401
RM27,239
Free shipping
Seller
SORELLE RONCO
608
IT
Corum Herrenarmbanduhr Automatic Gangreserve
Corum Herrenarmbanduhr Automatic Gangreserve
RM7,181
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
230
DE
Rolex Submariner Date
Rolex Submariner Date
RM124,466
Seller
LUX-Timepieces GmbH
639
DE
Mido All Dial
Mido All Dial
RM4,261
Seller
Pfandhaus SCHUMACHERS GmbH
5
DE
Omega Seamaster Planet Ocean 600m Co Axial Gmt
Omega Seamaster Planet Ocean 600m Co Axial Gmt
RM28,608
Seller
The Watch Artisans
 
ES
Casio WSD-F20A-BU Smartwatch Pro Trek Connected Apple Android
Casio WSD-F20A-BU Smartwatch Pro Trek Connected Apple Android
RM1,723
Seller
Adriano Gioielli
 
IT
Breitling Superocean Heritage U2337012/BB81
Breitling Superocean Heritage U2337012/BB81
RM25,324
Seller
Henry´s Auktionshaus AG
DE
Omega Watch Seamaster 300m 2220.80.00
Omega Watch Seamaster 300m 2220.80.00
RM15,523
Seller
Watchfinder.co.uk Ltd
UK
TAG Heuer Grand Carrera Brown Dial Stainless Steel Men's Watch...
TAG Heuer Grand Carrera Brown Dial Stainless Steel Men's Watch...
RM18,975
Seller
Certified Watch Store
33
US
Omega SPEEDMASTER '57 Co-Axial Cronograph 41,5MM -Blue
Omega SPEEDMASTER '57 Co-Axial Cronograph 41,5MM -Blue
RM24,654
Free shipping
Seller
SORELLE RONCO
608
IT
Rolex Datejust II
Rolex Datejust II
RM27,765
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
230
DE
Breitling Navitimer World
Breitling Navitimer World
RM20,680
Seller
LUX-Timepieces GmbH
639
DE
Rolex Oyster Precision
Rolex Oyster Precision
RM21,494
Seller
Pfandhaus SCHUMACHERS GmbH
5
DE
Breitling Jupiter
Breitling Jupiter
RM6,319
Seller
Sgr oro
 
IT
Rolex GMT-Master II, Ref. 126711CH, LC100, unworn, Full Set
Rolex GMT-Master II, Ref. 126711CH, LC100, unworn, Full Set
RM69,844
Seller
S3 WATCH AG
18
DE
Rolex Datejust Medium
Rolex Datejust Medium
RM14,314
Seller
Henry´s Auktionshaus AG
DE
Omega Speedmaster Racing Co-Axial Chronograph 40mm (Excellent)
Omega Speedmaster Racing Co-Axial Chronograph 40mm (Excellent)
RM10,613
Seller
Collector's Time Gallery
MY
Omega Watch Seamaster 300m 2254.50.00
Omega Watch Seamaster 300m 2254.50.00
RM12,536
Seller
Watchfinder.co.uk Ltd
UK
Rolex Yacht-Master II Steel 18K Rose Gold
Rolex Yacht-Master II Steel 18K Rose Gold
Price on request
Seller
SORELLE RONCO
608
IT
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Chronometer - Certified Precision

"Chronometer" may sound like a fancy name for a normal watch - after all, it just comes from the Greek words for "time" and "measure" - but chronometers are really something quite special. Chronometers are watches, yes, but watches that have been tried and tested and certified to meet exacting precision standards. The COSC in Switzerland determines which watches may actually call themselves "chronometers".

The Oceanic Origins of Chronometers

Though the Swiss set the standard, the English coined the word. In the quest to calculate the longitude, the Englishman Jeremy Thacker, a clockmaker of extraordinary skill, created a series of increasingly accurate clocks, well beyond what had had previously been achieved. The clocks were intended to be used aboard ships and had to keep absolutely accurate time in order to allow for calculating longitude precisely, and thus fixing the position of the ship in the vast ocean. The last of Thacker's chronometers was actually more like a very large pocket watch.
Other clockmakers - and increasingly watchmakers - copied from and improved upon Thacker's final chronometer, producing watches of greater and greater precision. The original standards for accuracy were actually far more exacting than those currently maintained by the COSC in Switzerland, so very few watches were certified as chronometers and thus very few were actually produced and sold. The original chronometer requirements for mechanical watches are no longer necessary, since digital watches can already exceed them, but chronometers are still manufactured and sold (and resold) today as examples of extremely fine precision engineering. The use of jewels and precious metals in watches owes its origins to chronometers - these materials were used to make the mechanical movements as precise as possible.

Officially Certified Chronometers

Chronometers are no longer rare. More than a million Officially Certified Chronometer certificates are issued each year. Those watches that pass the most rigorous of the COSG's tests are rewarded with a special serial number and, indeed, the right to call themselves "chronometers" at all. Chronometers must meet several requirements: they must display the seconds; they must be highly precise; they must demonstrate that precision over the course of several consecutive days of testing; they must perform precisely in different positions and at different temperatures.

Chronometers in Everyday Use

This may sound extreme, but such reliability was crucial for individuals and groups that had to rely on the precision of portable mechanical timekeepers in the past. Pilots watches, for instance, needed to perform as chronometers (and those that did not had to be hackable). The famous B-Uhren, commissioned by the German Luftwaffe and manufactured by several companies, were chronometer-certified pilots watches - or chronometers that were used as pilots watches, depending on your perspective. Interestingly, despite the many years between Thacker's invention and the production of the B-Uhren, chronometers were still tightly bound to use in navigation.
First at sea, then in the air. And, still today, at sea again - or at least under it. Some diving watches, like the Rolex submariner, are also certified chronometers. Divers must be able to reliably track how long they've been under and how much time they have to surface.
Though their accuracy may have been eclipsed by digital watches, chronometers are still useful today.

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