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Ulysse Nardin Marine Chronometer 43mm 266-67-3/42 Unworn Rose gold 43mm Chronograph
TOP
Ulysse Nardin Швейцарские Часы Maxi...
Rp. 227,139,616
Professional dealer
 
RU
Ulysse Nardin Marine Chronometer 41mm 263-66 Very good Steel 41mm Automatic
TOP
Ulysse Nardin Швейцарские Часы Maxi...
Rp. 48,358,757
Professional dealer
 
RU
Breitling NB0434E5/BE94 New Carbon 45mm Automatic
TOP
Breitling Bentley GMT, new, chronograph, carbon case and dial,...
Rp. 198,869,563
Professional dealer
57
CH
Rolex Datejust 16233 Very good Gold/Steel 36mm Automatic Indonesia, Jakarta Selatan
Rolex Datejust
Rp. 101,846,473
Private Seller
ID
Breitling Chronomat 44 HB0110 Unworn Yellow gold 44mm Automatic
Breitling Chronomat 44 18K Gold Automatik Herrenuhr Ref....
Rp. 273,584,819

Sold by Chrono24

DE
Omega Constellation Ladies 123.20.35.20.58.001 New Gold/Steel 35mm Automatic
TOP
Omega Constellation 123.20.35.20.58.001 CO‑AXIAL 35 MM
Rp. 93,566,868
Professional dealer
842
US
Chopard Mille Miglia 168459-3037 Very good Steel 44mm Automatic
TOP
Chopard First Price' Limited Edition 50 pieces - Historic...
Rp. 176,764,217
Free shipping
Professional dealer
941
NL
Omega Constellation 168017 Good Steel 34mm Automatic Indonesia, Jakarta
Omega Constellation
Rp. 42,700,000
Private Seller
ID
Ulysse Nardin A.261 Good Steel 34mm Automatic
TOP
Ulysse Nardin Vintage Chronometer 36000
Rp. 39,741,471
Professional dealer
24
CH
Seiko Sportura SLQ001J1 Unworn Steel 42mm Quartz
TOP
Seiko Sportura Kinetic Limited Edition 1000pz Chronograph...
Price on request
Professional dealer
456
IT
Rolex Day-Date 36 128345RBR New Rose gold 36mm Automatic
TOP
Rolex Day-Date 36 Everose Diamond Paved Rainbow NEW 12-2020
Rp. 1,393,683,702
Professional dealer
397
NL
Breguet Reine de Naples 9807ST/5W/J50 New Steel 32.7mm Automatic
TOP
Breguet Reine de Naples, new, white mother-of-pearl dial,...
Rp. 161,804,559
Professional dealer
57
CH
Omega Seamaster Diver 300 M 210.62.42.20.03.001 New Rose gold 42mm Automatic
TOP
Omega Seamaster Diver 300M Co-Axial Master Chronometer 42 mm...
Rp. 286,807,108
Free shipping
Professional dealer
16
HK
Omega Constellation 168017 Good Steel 34mm Automatic Indonesia, Jakarta
Omega Constellation
Rp. 13,910,189
Private Seller
ID
Rolex Sea-Dweller 126600 Very good Steel 43mm Automatic
Rolex Sea-Dweller Automatik Stahl Herrenuhr Oyster Perpetual...
Rp. 240,541,457

Sold by Chrono24

DE
Breitling Chronomat 44 AB011010/BB08 Very good Steel 44mm Automatic
TOP
Breitling flying fish series, CHRONOMAT 44MM, AUTOMATIC, REF...
Rp. 77,278,829
Free shipping
Professional dealer
941
NL
Alain Silberstein Very good Automatic
Alain Silberstein Hebdo 2 "rare" lim.ed 500pz full set
Rp. 64,843,155
Professional dealer
124
IT
Ulysse Nardin Marine Chronometer 41mm 263-66 Very good Steel 41mm Automatic
TOP
Ulysse Nardin Marine Chronometer 41 mm
Rp. 55,962,479
Professional dealer
24
CH
Rolex Sea-Dweller 126600 New Steel 43mm Automatic
Rolex Sea-Dweller | NEU | 2021 | FullSet | Red
Rp. 261,149,145
Professional dealer
187
DE
Omega De Ville Prestige 424.20.33.20.58.003 Very good Gold/Steel 32.7mm Automatic
TOP
Omega De Ville Prestige Co-Axial Chronometer 18K Yellow Gold &...
Rp. 80,597,928
Professional dealer
168
US
Breguet Reine de Naples 8967ST/V8/J50 New Steel 43mm Automatic
TOP
Breguet Reine de Naples, new, blue mother-of-pearl dial, blue...
Rp. 169,347,327
Professional dealer
57
CH
Rolex Submariner Date 126610LN Unworn Steel 41mm Automatic
Rolex Submariner Date 41mm
Rp. 230,948,223
Professional dealer
13
IT
Omega Constellation 168017 Very good Steel 34mm Automatic Indonesia, Jakarta
Omega Constellation
Rp. 32,400,000
Private Seller
ID
Rolex Datejust 126334 Very good Gold/Steel 41mm Automatic
Rolex Datejust 41 Stahl / Weissgold Herrenuhr Oyster Perpetual...
Rp. 198,615,472

Sold by Chrono24

DE
Zenith 96.2062.405/27.C707 Very good Palladium 45.5mm Automatic
TOP
Zenith Stratos Pole2Pole Fly-back Palladium' Coated SS -...
Rp. 83,407,839
Free shipping
Professional dealer
941
NL
Rolex Submariner Date 16610 Very good Steel 40mm Automatic
Rolex 40mm. Submariner Date Steel 16610 Rolex Box No Rolex...
Rp. 168,194,386
Professional dealer
15
UK
Rolex Datejust 126334 New Steel 41mm Automatic
Rolex 126334 Rolex Datejust 41mm, Blue Dial, Jubilee, Gold...
Rp. 186,541,596
Professional dealer
9
CH
Rolex Submariner (No Date) 124060 New Steel 41mm Automatic
Rolex Submariner (No Date) | NEU | 2021 | FullSet | Verklebt
Rp. 234,501,273
Professional dealer
187
DE
Rolex Yacht-Master II 116688-0002 New Yellow gold 44mm Automatic
Rolex Yacht-Master II Yellow Gold (New Full Set)
Rp. 711,923,170
Free shipping
Professional dealer
16
HK
Breguet GJ24BB8548DDC3 New White gold Automatic
TOP
Breguet Secret de la Reine, paved with 595 diamonds, folding...
Rp. 802,939,915
Professional dealer
57
CH
Rolex Datejust II 126334 Unworn Steel 41mm Automatic
Rolex Datejust II 41MM UNWORN APRIL 2021 - Blue Dial Stainless...
Rp. 192,959,204
Professional dealer
 
UK
Rolex Datejust 126334 Very good Gold/Steel 41mm Automatic
Rolex Datejust 41mm Stainless Steel & White Gold Black Diamond...
Rp. 185,932,093
Professional dealer
101
US
Omega Speedmaster Professional Moonwatch 311.33.42.50.01.001 Very good Steel 42mm Manual winding
Omega Speedmaster Moonwatch 50th Anniversary Chronograph Ref...
Rp. 216,913,678

Sold by Chrono24

DE
Rolex Sea-Dweller 126600 New Steel 43mm Automatic
Rolex Sea-Dweller
Rp. 255,903,115
Professional dealer
105
UK
Omega Speedmaster Professional Moonwatch 311.92.44.51.01.003 Very good Ceramic 44.25mm Automatic
Omega Dark Side Of The Moon Speedmaster
Rp. 144,461,436
Professional dealer
15
UK
Rolex Submariner Date 126610LN New Steel 41mm Automatic
Rolex Submariner Date 41mm - NEW APRIL 2021
Rp. 242,488,839
Professional dealer
77
UK
Rolex Submariner Date 126610LN New Steel 41mm Automatic
Rolex Submariner Date | NEU | 03/2021 | FullSet
Rp. 246,936,947
Professional dealer
187
DE
Rolex Submariner Date 126610LN New Steel 41mm Automatic
Rolex Submariner Date 41mm Black Dial 2020 New Model (New Full...
Rp. 235,861,108
Free shipping
Professional dealer
16
HK
Rolex Lady-Datejust Pearlmaster 80285 New Rose gold 29mm Automatic
Rolex Lady-Datejust Pearlmaster, 260 diamonds on bezel and...
Rp. 855,431,098
Professional dealer
57
CH
Omega Speedmaster Professional Moonwatch 310.30.42.50.01.001 Very good Steel 42mm Manual winding
Omega 2021 Speedmaster Moonwatch Hesalite Box/Papers/Card
Rp. 87,910,358
Professional dealer
174
US
Rolex Submariner (No Date) 124060 New Steel 41mm Automatic
Rolex Submariner 41mm Steel No Date 124060
Rp. 204,220,496
Professional dealer
101
US
Omega Seamaster Planet Ocean 232.30.42.21.01.001 Very good Steel 42mm Automatic
Omega Seamaster Planet Ocean 600M Co-Axial Automatik Ref...
Rp. 88,648,587

Sold by Chrono24

DE
Rolex Submariner Date 126610LN New Steel 41mm Automatic
Rolex 2021 Submariner Date 126610 LN 41MM NEW
Rp. 215,343,010
Professional dealer
530
US
Rolex Daytona 116515LN-0041 Very good Rose gold 40mm Automatic
Rolex Daytona 40mm. Rose Gold 116515LN Rolex Box & Papers 2012
Rp. 588,164,418
Professional dealer
15
UK
Rolex Sea-Dweller 4000 16600 New Steel 40mm Automatic
Rolex Sea-Dweller 'NOS'
Rp. 299,241,546
Professional dealer
9
UK
Rolex Submariner (No Date) 124060 Unworn Steel 41mm Automatic
Rolex Submariner (No Date) | NEU | 2020 | FullSet
Rp. 229,171,699
Professional dealer
187
DE
Omega Speedmaster Professional Moonwatch 311.92.44.51.01.005 New Ceramic 44.25mm Automatic
Omega Dark Side Of The Moon Speedmaster Black Moonwatch (New...
Rp. 150,951,109
Free shipping
Professional dealer
16
HK
Rolex Datejust 116188 New Yellow gold 36mm Automatic
Rolex Datejust, new, bezel with 60 diamonds, dial with 10...
Rp. 306,495,953
Professional dealer
57
CH
Rolex Datejust 126334 New Steel 41mm Automatic
Rolex 2021 Datejust 41 Wimbledon Gray Roman Fluted Jubilee New...
Rp. 197,816,624
Professional dealer
174
US
Rolex Submariner Date 126613LN Unworn Gold/Steel 41mm Automatic
Rolex Submariner Date Black Dial 41mm - New 4/2021 Full set
Rp. 277,137,868
Professional dealer
202
IT
Breitling Chronomat Evolution C13356 Very good Gold/Steel 44mm Automatic
Breitling Chronomat Evolution Stahl / Gold Chronograph...
Rp. 90,425,112

Sold by Chrono24

DE
Rolex Sea-Dweller 126600 New Steel 43mm Automatic
Rolex Sea-Dweller SD43 126600 NEW 50th Anniversary
Rp. 227,066,345
Professional dealer
530
US
Rolex Submariner Date 16610LV Very good Steel 40mm Automatic
Rolex 40mm.Submariner "Kermit" 16610LV Steel Black Dial 2005...
Rp. 350,834,916
Professional dealer
15
UK
Rolex Submariner Date 116610LV Very good Steel 40mm Automatic
Rolex Submariner 'Hulk'
Rp. 361,153,590
Professional dealer
9
UK
Rolex Submariner (No Date) 124060 New Steel 41mm Automatic
Rolex Submariner (No Date) | NEU | 12/2020 | FullSet
Rp. 229,171,699
Professional dealer
187
DE
Rolex Sea-Dweller 126600 New Steel 43mm Automatic
Rolex Sea-Dweller (New Full Set)
Rp. 235,861,108
Free shipping
Professional dealer
16
HK
Rolex Lady-Datejust Pearlmaster 80319 New White gold 29mm Automatic
Rolex Lady-Datejust Pearlmaster, new, white gold, bezel set...
Rp. 340,560,071
Professional dealer
57
CH
Rolex GMT-Master 1675 GMT Fair Steel 40mm Automatic
Rolex GMT 1675 Mk1 Long E - punched papers, box and service 2012
Rp. 566,356,105
Free shipping
Professional dealer
5
FR
Rolex Submariner (No Date) 124060-0001 Unworn Steel 41mm Automatic
Rolex Submariner 41mm - New 4/2021 full set
Rp. 214,959,500
Professional dealer
202
IT
Breitling Superocean A17360 Very good Steel 42mm Automatic
Breitling Superocean 42 Chronometer Automatik Edelstahl...
Rp. 34,642,234

Sold by Chrono24

DE
Rolex Submariner (No Date) 124060 New Steel 41mm Automatic
Rolex 2021 Submariner No Date 124060 41MM NEW
Rp. 194,094,465
Professional dealer
530
US
Breitling Chronomat 44 CB011012/B968 Unworn Gold/Steel 44mm Automatic
Breitling Chronomat 44
Rp. 184,704,265
Professional dealer
15
UK

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.