Brand Breitling Caliber Number B20 In-House? No Base Caliber Tudor MT5612 Movement Type Automatic, self-winding mechanical Chronometer Spec? Yes COSC...
Kenissi
Manufacturer Tudor Caliber Number MT5402, MT-5402 In-House? Not exactly Diameter 26mm Thickness 6.5mm Vibrations Per Hour 28,800 bph (4 Hz)...
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 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...
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