Buyer Protection Authenticity Guarantee Why Chrono24? Canada  | CAD
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Breitling Chronomat Evolution Blue 44MM Stunning Condition
TOP
Breitling Chronomat Evolution Blue 44MM Stunning Condition
C$ 4,463
Seller
Swiss Moves
24
US
Breitling Avenger II Seawolf A1733110.F563.169A
TOP
Breitling Avenger II Seawolf A1733110.F563.169A
C$ 4,560
Seller
Uhren2000 GmbH
219
DE
Sinn 144 St Sa
TOP
Sinn 144 St Sa
C$ 2,882
Seller
Classic Watch
 
DE
Patek Philippe Régulateur Quantième annuel 5235 Full Set
TOP
Patek Philippe Régulateur Quantième annuel 5235 Full Set
C$ 57,189
Free shipping
Seller
RIVIERAWATCH
55
FR
Breitling Avenger II GMT A3239011.BC35.170A
TOP
Breitling Avenger II GMT A3239011.BC35.170A
C$ 4,499
Seller
Uhren2000 GmbH
219
DE
Zenith Elite HW Power Reserve Limited Edition No. 1480
TOP
Zenith Elite HW Power Reserve Limited Edition No. 1480
C$ 5,222
Seller
Vintage Watch Services
127
NL
Chopard L.U.C. Perpetual Calendar Chronograph
TOP
Chopard L.U.C. Perpetual Calendar Chronograph
C$ 27,298
Seller
Joaillerie Royale
265
BE
Breitling Crosswind Chronograph Windrider Racing Polished like...
TOP
Breitling Crosswind Chronograph Windrider Racing Polished like...
C$ 6,083
Seller
Swiss Moves
24
US
Doxa GRANDE METRE BLUE PLANET LIMITED EDITION 800PCS WORLD
TOP
Doxa GRANDE METRE BLUE PLANET LIMITED EDITION 800PCS WORLD
C$ 5,039
Free shipping
Seller
Przedsiębiorstwo Handlowe Usługowe
48
PL
Montblanc Star
Montblanc Star
C$ 2,100
Seller
Private seller
CA
Panerai Luminor  1950 Limited Edition PAM127/ OP6576 FIDDY
TOP
Panerai Luminor 1950 Limited Edition PAM127/ OP6576 FIDDY
C$ 16,194
Seller
Phigora
73
US
Sinn 103 St Sa RB Classic Watch Sondermodell
TOP
Sinn 103 St Sa RB Classic Watch Sondermodell
C$ 3,645
Seller
Classic Watch
 
DE
Chopard L.U.C Tourbillon Heritage 161911-9001 RRP £152,800 Ltd Ed
TOP
Chopard L.U.C Tourbillon Heritage 161911-9001 RRP £152,800 Ltd Ed
C$ 66,605
Seller
The Watch Directory
39
UK
Tudor Heritage Black Bay Automatik Black 79230R Lederband
TOP
Tudor Heritage Black Bay Automatik Black 79230R Lederband
C$ 4,255
Seller
Uhren2000 GmbH
219
DE
Omega Seamaster Planet Ocean Blue Steel 44mm
TOP
Omega Seamaster Planet Ocean Blue Steel 44mm
C$ 5,565
Seller
The Watch Collector NY
 
US
Carl F. Bucherer Patravi Travelgraph 18k Yellow Gold GMT
TOP
Carl F. Bucherer Patravi Travelgraph 18k Yellow Gold GMT
C$ 8,421
Free shipping
Seller
Daniele Trissi
10
US
Omega Seamaster Aqua Terra
TOP
Omega Seamaster Aqua Terra
C$ 5,392
Seller
Scorpio Luxury Corp
6
US
Omega Seamaster Aqua Terra GMT
Omega Seamaster Aqua Terra GMT
C$ 5,530
Free shipping
Seller
Rocky Mountain Pawn Ltd.
CA
Zenith El Primero Rainbow bicolour
Zenith El Primero Rainbow bicolour
C$ 4,470
Seller
Private seller
CA
Omega Speedmaster Broad Arrow 3575.20.00 Moonphase
TOP
Omega Speedmaster Broad Arrow 3575.20.00 Moonphase
C$ 4,663
Seller
Phigora
73
US
Breitling : Navitimer :  A23322 :  Stainless Steel
Breitling : Navitimer : A23322 : Stainless Steel
C$ 5,603
Seller
BernardWatch.com
138
US
Rolex 116660Sea-Dweller DEEPSEA Stainless Steel&Ceramic...
Rolex 116660Sea-Dweller DEEPSEA Stainless Steel&Ceramic...
C$ 16,777
Seller
Watch My Diamonds
48
US
Panerai Luminor Marina PAM 00001 A Series T Swiss T Dial
Panerai Luminor Marina PAM 00001 A Series T Swiss T Dial
C$ 22,673
Seller
Kronopassion
6
US
Panerai Ferrari Scuderia GMT FER 9
Panerai Ferrari Scuderia GMT FER 9
C$ 3,975
Seller
Private seller
CA
Rolex Sea-Dweller 126600 Red 43mm Divers Watch Red
Rolex Sea-Dweller 126600 Red 43mm Divers Watch Red
C$ 16,999
Seller
Private seller
CA
Breitling Exospace B55 Connected
Breitling Exospace B55 Connected
C$ 9,800
Seller
Private seller
CA
Breitling Super Avenger diamond bezel PVD black Steel
Breitling Super Avenger diamond bezel PVD black Steel
C$ 5,495
Seller
Private seller
CA
Omega De Ville Co-Axial Escapement
Omega De Ville Co-Axial Escapement
C$ 6,800
Seller
Private seller
CA
Omega Seamaster Aqua Terra GMT
Omega Seamaster Aqua Terra GMT
C$ 5,491
Seller
Private seller
CA
IWC Portofino IW391010 Chronograph Automatic Box & Papers
TOP
IWC Portofino IW391010 Chronograph Automatic Box & Papers
C$ 6,865
Seller
Phigora
73
US
Rolex Seadweller 126600 43MM Ceramic New Model Not in Stores Rare
Rolex Seadweller 126600 43MM Ceramic New Model Not in Stores Rare
C$ 22,019
Seller
The Watch Collector NY
 
US
Rolex Datejust Turn-o-graph White Dial Rolex Ref 116263 Steel ...
Rolex Datejust Turn-o-graph White Dial Rolex Ref 116263 Steel ...
C$ 7,372
Seller
Watch My Diamonds
48
US
Rolex Datejust 41 Steel & White Gold Blue Diamond Dial...
Rolex Datejust 41 Steel & White Gold Blue Diamond Dial...
C$ 13,602
Free shipping
Seller
Avi & Co NY
32
US
Rolex 1680 Submariner 1680 TIFFANY & CO SS / Bracelet (26025)
Rolex 1680 Submariner 1680 TIFFANY & CO SS / Bracelet (26025)
C$ 36,924
Seller
European Watch Company
64
US
Ulysse Nardin Marine Diver
Ulysse Nardin Marine Diver
C$ 18,132
Seller
WatchBox
53
US
Panerai Luminor Sealand Purdey PAM 845
Panerai Luminor Sealand Purdey PAM 845
C$ 19,434
Seller
Kronopassion
6
US
Omega Seamaster Diver 300 M Basickly a NEW watch super mint
Omega Seamaster Diver 300 M Basickly a NEW watch super mint
C$ 3,692
Seller
Sea Wave Diamonds
70
US
Omega Seamaster 300m James Bond Spectre Limited Edition...
Omega Seamaster 300m James Bond Spectre Limited Edition...
C$ 12,891
Free shipping
Seller
Govberg Jewelers
157
US
Breitling Chronomat Evolution B13356 Automatic 44mm Chronograph
TOP
Breitling Chronomat Evolution B13356 Automatic 44mm Chronograph
C$ 4,664
Seller
Phigora
73
US
Omega Seamaster Planet Ocean Chronograph 46mm Blue   Dial
Omega Seamaster Planet Ocean Chronograph 46mm Blue Dial
C$ 7,119
Seller
The Watch Collector NY
 
US
Rolex Sky-dweller 18k Yellow Gold 42mm Champagne Arabic Dial...
Rolex Sky-dweller 18k Yellow Gold 42mm Champagne Arabic Dial...
C$ 103,646
Seller
Watch My Diamonds
48
US
Rolex Datejust 41 Steel & White Gold Black Diamond Dial...
Rolex Datejust 41 Steel & White Gold Black Diamond Dial...
C$ 13,862
Free shipping
Seller
Avi & Co NY
32
US
Rolex 116710LN GMT Master II Ceramic SS (26852)
Rolex 116710LN GMT Master II Ceramic SS (26852)
C$ 9,523
Seller
European Watch Company
64
US
Omega Seamaster Planet Ocean
TOP
Omega Seamaster Planet Ocean
C$ 4,211
Seller
Private seller
 
US
Louis Moinet Memoris Red Eclipse
Louis Moinet Memoris Red Eclipse
C$ 143,551
BrandBoutique Member
Louis Moinet
Rolex Sea-Dweller
Rolex Sea-Dweller
C$ 9,393
Seller
Sea Wave Diamonds
70
US
Tudor : Heritage Black Bay S&G :  79733N :  Stainless...
Tudor : Heritage Black Bay S&G : 79733N : Stainless...
C$ 5,869
Seller
BernardWatch.com
138
US
Rolex Oyster Perpetual Air-King 114234  Automatic
TOP
Rolex Oyster Perpetual Air-King 114234 Automatic
C$ 6,218
Seller
Phigora
73
US
Panerai PAM 217 Destro Marina Militare Special Edition
Panerai PAM 217 Destro Marina Militare Special Edition
C$ 23,968
Seller
Kronopassion
6
US
Rolex Oyster Perpetual Datejust
Rolex Oyster Perpetual Datejust
C$ 10,300
Seller
WatchBox
53
US
Rolex Datejust Pave Red Roman Diamond Dial Stainless Steel And...
Rolex Datejust Pave Red Roman Diamond Dial Stainless Steel And...
C$ 8,420
Seller
Watch My Diamonds
48
US
Rolex 1680 Submariner 1680 TIFFANY & CO SS / Bracelet...
Rolex 1680 Submariner 1680 TIFFANY & CO SS / Bracelet...
C$ 30,446
Seller
European Watch Company
64
US
Girard Perregaux Chrono Hawk
TOP
Girard Perregaux Chrono Hawk
C$ 8,227
Seller
Private seller
CA
Omega Seamaster 300 Retro Master Co-Axial Steel 41 mm
Omega Seamaster 300 Retro Master Co-Axial Steel 41 mm
C$ 5,435
Seller
The Watch Collector NY
 
US
Rolex Day-Date President 18K Yellow Gold Double Quick 18238
Rolex Day-Date President 18K Yellow Gold Double Quick 18238
C$ 16,195
Seller
Diamond Box, Inc. DBA Solitaire Bridal & Estate Jewellers
 
US
Breitling : Chronomat 41 Limited :  AB014112/BB47-378A : ...
Breitling : Chronomat 41 Limited : AB014112/BB47-378A : ...
C$ 5,733
Seller
BernardWatch.com
138
US
Rolex Oyster Perpetual Datejust 16220 Blue Dial
Rolex Oyster Perpetual Datejust 16220 Blue Dial
C$ 4,663
Seller
Phigora
73
US
Breitling Navitimer 1461 Chronograph
Breitling Navitimer 1461 Chronograph
C$ 9,004
Seller
Kronopassion
6
US
Breitling Chronomat 44
Breitling Chronomat 44
C$ 8,415
Seller
WatchBox
53
US
Rolex 118138 Perpetual Day-Date 18K Yellow Gold Unisex Watch
Rolex 118138 Perpetual Day-Date 18K Yellow Gold Unisex Watch
C$ 22,608
Seller
Watch My Diamonds
48
US
Omega 311.92.44.51.01.006 Dark Side of the Moon Vintage Black...
Omega 311.92.44.51.01.006 Dark Side of the Moon Vintage Black...
C$ 10,170
Seller
European Watch Company
64
US
Breitling Chronomat GMT 44 CB042012/BB86
Breitling Chronomat GMT 44 CB042012/BB86
C$ 9,004
Free shipping
Seller
Govberg Jewelers
157
US

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.