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Rolex Datejust 16019 Very good White gold 36mm Automatic
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Rolex Datejust 16019 rare 18K Gold Weissgold White Herrenuhr...
RM293,749
+ RM857 for shipping
Professional dealer
4.89 (461)
DE
Ball DG3030B-S1CJ-BE New Titanium 40mm Automatic
TOP
Ball DG3030B-S1CJ-BE Roadmaster Marine GMT LIMITED EDITION...
RM11,271
+ RM152 for shipping
Professional dealer
4.81 (675)
US
Ulysse Nardin Marine Chronometer Manufacture 1183-126-3/42 New Steel 43mm Automatic
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Ulysse Nardin Marine Chronometer Manufacture NEW
RM33,297
+ RM338 for shipping
Professional dealer
4.97 (23)
ES
Tudor Black Bay Fifty-Eight M79010SG-0001 New Silver 39mm Automatic Malaysia, Johor
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Tudor Black Bay Fifty-Eight 925
RM19,599
Free shipping
Professional dealer
4.81 (9)
MY
Rolex Sea-Dweller 126600 Very good Steel 42mm Automatic
Rolex Sea-Dweller "Single Red" Automatik Herrenuhr Oyster...
RM67,818
+ RM783 for shipping
Sold by Chrono24
DE
Omega Seamaster Diver 300 M 210.30.42.20.03.001 New Steel 42mm Automatic Malaysia, Kuala Lumpur
Omega Seamaster Diver 300M Blue Co-Axial 2021
RM19,000
Free shipping
Professional dealer
4.95 (73)
MY
Omega Seamaster Aqua Terra 231.10.42.22.03.001 Very good Steel Automatic Malaysia, kuching
Omega Seamaster Aqua Terra Day Date (blue)
RM32,000
Excl. shipping
Private Seller
MY
Omega De Ville Hour Vision 431.33.41.21.03.001 Good Steel 41mm Automatic Malaysia, Petaling Jaya
Omega De Ville Hour Vision
RM16,480
+ RM126 for shipping
Professional dealer
4.93 (53)
MY
Rolex Submariner Date 126610LN New Steel 41mm Automatic
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Rolex Submariner Date 41mm Reference #: 126610LN
RM76,761
+ RM429 for shipping
Professional dealer
4.93 (78)
US
Ulysse Nardin A.261 Good Steel 34mm Automatic
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Ulysse Nardin Vintage Chronometer 36000
RM11,125
+ RM707 for shipping
Professional dealer
4.91 (47)
CH
Omega Constellation Ladies 123.20.35.20.58.001 New Gold/Steel 35mm Automatic
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Omega Constellation 123.20.35.20.58.001 CO‑AXIAL 35 MM
RM25,955
+ RM846 for shipping
Professional dealer
4.96 (663)
US
Tudor Black Bay Fifty-Eight M79030N-0001 New Steel 39mm Automatic Malaysia, Johor
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Tudor Black Bay Fifty-eight M79030N-0001
RM17,800
Free shipping
Professional dealer
4.81 (9)
MY
Omega Seamaster Diver 300 M 210.30.42.20.03.001 Very good Steel 42mm Automatic
Omega Seamaster Diver 300M Automatik Stahl Ref. 210.30.42.20.0...
RM19,831
+ RM441 for shipping
Sold by Chrono24
DE
Omega Speedmaster Professional Moonwatch 310.30.42.50.01.001 New Steel 42mm Manual winding Malaysia, Kuala Lumpur
Omega Speedmaster Moonwatch Co-Axial Master Chronometer 2021
RM23,800
Free shipping
Professional dealer
4.95 (73)
MY
Tudor Black Bay Fifty-Eight 79030B-0003 Very good Steel 39mm Automatic Malaysia, Puchong
Tudor Black Bay Fifty-Eight
RM13,010
Excl. shipping
Private Seller
MY
Panerai Luminor Marina PAM 00004 Very good Steel 44mm Manual winding
TOP
Panerai Luminor Marina LE TITANIC Diver LIMITED Edition 01/20...
RM52,879
+ RM1,748 for shipping
Professional dealer
4.94 (144)
DE
Cartier Santos 100 W20073X8 Very good Steel 41mm Automatic
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Cartier Santos 100 Stainless Steel Iced Out Watch W20073X8
RM52,037
+ RM429 for shipping
Professional dealer
4.79 (436)
US
Mido Ocean Star M026.608.11.041.01 New Steel 43.5mm Automatic Malaysia, Kuala Lumpur
Mido Ocean Star Diver 600 M026.608.11.041.01
RM6,000
Free shipping
Professional dealer
4.95 (121)
MY
Ball Conductor CM2068D-LJ-BK New Steel 30.8mm Automatic
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Ball Conductor Chronograph Tonneau CM2068D-LJ-BK
RM11,727
+ RM269 for shipping
Professional dealer
4.90 (113)
NL
Ball Engineer Hydrocarbon DG2018C-S3C-BK New Steel 42mm Automatic Malaysia, Johor
Ball Hydrocarbon Aerogmt II DG2018C-S3C-BK
RM13,800
Free shipping
Professional dealer
4.81 (9)
MY
Omega Seamaster Aqua Terra 231.10.42.21.03.003 Very good Steel 41.5mm Automatic
Omega Seamaster Aqua Terra Automatik Stahl Herrenuhr Ref...
RM19,342
+ RM441 for shipping
Sold by Chrono24
DE
Rolex Sea-Dweller 4000 126600 New Steel 43mm Automatic Malaysia, Kuala Lumpur
Rolex Sea-Dweller 4000ft 2021
RM71,000
Free shipping
Professional dealer
4.95 (73)
MY
Girard Perregaux Laureato 81020-11-431-BB4A Unworn Steel 42mm Automatic Malaysia, BATU 5 OFF JALAN IPOH
Girard Perregaux Laureato Chronograph 42mm 81020-11-431-BB4A
RM41,000
Excl. shipping
Private Seller
MY
Rolex Datejust 41 126334 New White gold 41mm Automatic
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Rolex Datejust 41 Diamond Index Black Oyster Bracelet (New...
RM66,211
Free shipping
Professional dealer
4.97 (38)
HK
Zodiac Sea Wolf Zodiac Super SeaWolf 68 Saturation Andy Mann Limited Edition New Steel 45mm Automatic
TOP
Zodiac Super SeaWolf 68 Saturation Andy Mann Limited Edition...
Price on request
+ RM289 for shipping
Professional dealer
4.99 (505)
IT
Ball DG3030B-S1CJ-BK New Titanium 40mm Automatic
TOP
Ball DG3030B-S1CJ-BK Roadmaster Marine GMT LIMITED EDITION...
RM11,271
+ RM152 for shipping
Professional dealer
4.81 (675)
US
Mido Ocean Star M026.608.11.051.00 New Steel 43.5mm Automatic Malaysia, Kuala Lumpur
Mido Ocean Star Diver 600 M026.608.11.051.00
RM6,000
Free shipping
Professional dealer
4.95 (121)
MY
Breitling Navitimer Very good Rose gold 46mm Automatic
Breitling Navitimer Navitimer Limited edition
RM61,208
+ RM490 for shipping
Professional dealer
4.93 (43)
NL
Breitling Chronomat 41 CB0140 Very good Gold/Steel 41mm Automatic
Breitling Chronomat 41 B01 Stahl / Gold Chronograph Automatik...
RM26,197
+ RM783 for shipping
Sold by Chrono24
DE
Rolex Datejust 41 126334 New Steel 41mm Automatic
Rolex Datejust 41mm 126334 Rhodium Index Jubilee 2021
RM65,047
+ RM863 for shipping
Professional dealer
4.98 (355)
US

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TAG Heuer Formula 1 Quartz CA1211 Good Steel 38mm Quartz Malaysia, kota kinabalu
TAG Heuer Formula 1
RM3,027
Excl. shipping
Private Seller
MY

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.