Brand Ball Watch Company Caliber Number RRM7309-C Movement Type Automatic, self-winding mechanical Chronometer? Yes COSC? Yes Diameter 34.24mm Height 5.16mm...
Chronometer
Brand Breitling Caliber Number B04 Base Caliber Breitling B01 In-House? Yes Certified Chronometer? Yes Beat Rate / Frequency 28,800 bph...
What is the difference between a chronometer and a chronograph? While they both share the same root word chrono, a...
In the watch community, COSC and chronometer are often used interchangeably, sometimes incorrectly. It’s like whiskey and bourbon: all bourbon...
This triple-date Felsa caliber 693 chronometer movement was found in an 18k moonphase calendar chronometer by Record Watch Co. The movement is signed by Favre-Leuba Chronometer Co.
Manufacturer H.K. Precision Technology (HKPT) Caliber Number PT5000 Movement: Automatic Lignes 11.5”’ Diameter 25.60mm Height 4.60mm thick Jewels 25 Power...
Brand Longines Caliber Number L592.4 In-House? No Base Caliber ETA A20.L11 Movement Type Automatic, self-winding mechanical COSC? Yes Lignes 8.75”’...
Brand Longines Caliber Number L836.6 In-House? Technically no Exclusive? Yes Manufacturer ETA Movement Type Automatic, self-winding mechanical Lignes 11.5”’ Diameter...
Manufacturer Omega Caliber Number 1128, 1128A Base Caliber Omega 1120 (ETA 2892-A2) In-House? No Movement Type Automatic, self-winding mechanical, GMT...
Although this tuning fork movement was designated by Omega as a caliber 1260, the base movement is an ESA (Ebauches S.A) 9164. The ESA 9164 features a day and date. Caliber ESA 9162 (Omega caliber 1250) has a date only.
Manufacturer Omega Caliber Number 3861 In-House? Technically no Based On Lemania caliber 1873 Movement Type Mechanical, manual-wind Chronometer? Yes (Omega...
Manufacturer Omega Caliber Number 8800 In-House? Yes Movement Type Automatic, self-winding mechanical Display Analog Diameter 26mm Jewels 35 Beats Per...
Manufacturer Omega Caliber Number 8801 Base Caliber Omega 8800 In-House? Yes Movement Type Automatic, self-winding mechanical Chronometer? Yes (Omega Master...
Manufacturer Omega Caliber Number 8802 Base Caliber Omega 8800 In-House? Yes Movement Type Automatic Display Analog Diameter 26mm Jewels 35...
Manufacturer Omega Caliber Number 8803 Base Caliber Omega 8800 In-House? Yes Movement Type Automatic Display Analog Diameter 26mm Jewels 35...
Manufacturer Omega Caliber Number 8804 Base Caliber 8800 In-House? Yes Movement Type Automatic, self-winding mechanical Display Analog Jewels 35 Frequency/Beat...
Manufacturer Omega Caliber Number 9900 Replaces Caliber 9300 In-House? Yes Movement Type Automatic, self-winding mechanical Display Analog Diameter 32.5mm Jewels...
Manufacturer Omega Caliber Number 9920 Base Caliber 9900 In-House? Yes Movement Type Automatic, self-winding mechanical Display Analog Diameter 32.5mm (needs...
Brand TAG Heuer Caliber Number 8 Base Caliber ETA 2892-A2 or Soprod A10 (w/ module) Movement Type Automatic In-House? No...
Brand Tudor Caliber Number MT5450-U Base Caliber Tudor MT5400 In-House? No (“Manufacture”) Manufacturer Kenissi Movement Type Automatic, self-winding mechanical COSC...
Recent Comments
Militado got this movement
Henry Archer Vesterhav. Mine is running at +2 sec/day. I do wish that the movement…
Step 1) Set the time correctly. Step 2) Wait 24 hours. Step 3) Compare the…
The wonderfully underrated Festina Automatic Skeleton (20632/1) also uses this movement. It keeps time better…
17 is the grout number. ST1701 is the specific automatic calibre and ST1700 the manual…
Duzu Watches of Western Australia use this movement in their DW-D3 diver range