What is the difference between caliber 6497-1 and 6497-2? There are two variations of the ETA/Unitas 6497 including the 6497-1...
Unitas 6497-1
Manufacturer ETA Caliber Number 6497-1 Movement Type Mechanical, manual-wind Lignes 16.5”’ Diameter 36.6mm Height 4.5mm Jewels 17 Beat Rate 18,800...
Brand Maurice Lacroix Caliber Number ML-16, ML16 Base Caliber Unitas 6497-1 Movement Type Manual wind Jewels 17 Vibrations Per Hour...
Brand AROLA Alfred Rochat & Fils S.A. Caliber Number AR 165, AR165 Base Caliber ETA/Unitas 6497 Movement Type Manual wind,...
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...
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