Brand Chronoswiss Caliber Number C.672, C672 Base Caliber ETA/Unitas 6497-1 In-House? Not the base; some modifications developed in-house Movement Type...
Screw Balance
Brand O.G Watches (Oliver Gallaugher) Manufacturer DK Precision Mechanics Caliber Number GUY-1 Base Caliber ETA/Unitas 6498-1 Movement Type Mechanical, manual-wind...
What is a screw balance wheel? Have you ever seen a balance that looks like a tiny helm on a...
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