Manufacturer ETA Caliber Number 6498-1 Base Caliber 6498 Diameter 16.5”’ (36.6mm) Height 4.5mm thick Vibrations Per Hour 18,800 bph Power...
Unitas 6498-1
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What is the difference between caliber 6498-1 and 6498-2? There are two variations of the ETA/Unitas 6498 including the 6498-1...
