How to disassemble a Unitas/ETA caliber 6497 movement? There are some excellent videos of how to disassemble a caliber 6497/6498...
ETA 6497
What is the difference between ETA/Unitas caliber 6497 and 6498? Both movements are based off of pocket watch movements....
What is the difference between caliber 6497-1 and 6497-2? There are two variations of the ETA/Unitas 6497 including the 6497-1...
Brand Unitas Caliber Number 6497 (also see 6497-1) Movement Type Manual wind Size (lignes) 16.5”’ Diameter 36.6mm Height 4.5mm thick...
Manufacturer ETA/Unitas Caliber Number 6503 Base Caliber ETA/Unitas 6497 Movement Type Manual wind Size (lignes) 16.5”’ Diameter 36.6mm Height 5.0mm...
https://www.youtube.com/watch?v=Xnh7O22mduE In this detailed video by perplxr, watch as a hand-wound ETA caliber 6497-1 movement gets overhauled from start to...
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