Manufacturer Tudor Caliber Number MT5402, MT-5402 In-House? Not exactly Diameter 26mm Thickness 6.5mm Vibrations Per Hour 28,800 bph (4 Hz)...
COSC
Manufacturer Tudor Caliber Number MT5400, MT-5400 In-House? Yes Diameter 31.8mm Thickness 6.5mm Vibrations Per Hour 28,800 bph (4Hz) Lift Angle...
Brand Rolex Caliber Number 3230 Based On Rolex 3130 Movement Type Automatic, self-winding mechanical In-House? Yes Chronometer? Yes (COSC +...
Manufacturer ETA Caliber Number 251.232 Movement Type Quartz, chronograph COSC? Yes Lignes 13.25”’ Diameter 30mm Height 5mm Battery Cell Number...
Manufacturer Rolex Caliber Number 3185 Base Caliber 3135 Movement Type Automatic, self-winding mechanical In-House? Yes Diameter 28.5mm Height 6.45mm Jewels...
Brand TAG Heuer Caliber Number 8 Base Caliber ETA 2892-A2 or Soprod A10 (w/ module) Movement Type Automatic In-House? No...
Brand Rolex Caliber Number 3131 Based On Rolex 3130 Movement Type Automatic, self-winding In-House? Yes Chronometer? Yes (COSC + Superlative...
Manufacturer Tudor Caliber Number T600 Base Caliber ETA 2824-2 or Sellita SW200-1 Movement Type Automatic, self-winding mechanical In-House? No COSC?...
Manufacturer Tudor Caliber Number T601 Base Caliber ETA 2824-2 or Sellita SW200-1 Movement Type Automatic, self-winding mechanical In-House? No COSC?...
How Many Grades of ETA Movements Are There? ETA offers four grades of watch movements: Standard Elabore (Elaborated) Top Chronometer...
Manufacturer Tudor Caliber Number T603 Base Caliber Sellita Movement Type Automatic, self-winding mechanical In-House? No COSC? Not enough info Diameter...
How Many Grades of Sellita Movements Are There? Sellita offers four grades of watch movements. Just like some ETA movements,...
Brand Norqain Caliber Number NN20/1 In-House? No COSC? Yes Diameter 26mm (confirm in the comments below) Thickness 4.99mm (confirm in...
Brand Norqain Caliber Number NN20/2 Movement Type Automatic In-House? No COSC? Yes Diameter 31.8mm (confirm in the comments below) Thickness...
In the watch community, COSC and chronometer are often used interchangeably, sometimes incorrectly. It’s like whiskey and bourbon: all bourbon...
Brand Ginault Caliber Number 7275 Base Caliber Unknown Clone Caliber 2824-2 Diameter 26mm Height 4.65mm thick Jewels 25 Power Reserve...
Manufacturer Breitling Caliber Number B35 In-House? Yes COSC? Yes Diameter 36.60mm Vibrations Per Hour 28,800 bph (4 Hz) Power Reserve...
Manufacturer Tudor Caliber Number MT5612, MT-5612 In-House? Yes COSC? Yes Diameter 31.8mm Thickness 6.5mm Vibrations Per Hour 28,800 bph (4...
Brand Rolex Caliber Number 3285 Movement Type Automatic, self-winding In-House Yes Diameter 28.5mm (needs confirmed) Jewels 31 Total Parts Unknown...
Brand Rolex Caliber Number 1570 Movement Type Automatic, self-winding In-House Yes Diameter 12.5”’ (28.5mm) Height 5.75mm thick Jewels 26 Total...
Brand Omega Caliber Number 8508 Base Caliber 8500 Movement Type Automatic Jewels 39 Power Reserve 60 hours Diameter 29mm Vibrations...
What is the difference between caliber 6498-1 and 6498-2? There are two variations of the ETA/Unitas 6498 including the 6498-1...
Manufacturer Ulysse Nardin Caliber Number UN-22, UN22 Base Caliber ETA 2892-A2 In-House Base: No / Module: Yes Measurements 16 1/2”’...
Manufacturer Tudor Caliber Number MT5602, MT-5602 In-House? Yes Diameter 31.8mm Thickness 6.5mm Vibrations Per Hour 28,800 bph (4 Hz) Power...
