How to disassemble a Unitas/ETA caliber 6497 movement? There are some excellent videos of how to disassemble a caliber 6497/6498...
6497-2
What is the difference between caliber 6497-1 and 6497-2? There are two variations of the ETA/Unitas 6497 including the 6497-1...
The manual wind Panerai caliber OP XI movement is based off an an ETA 6497/2. First seen in Panerai models around 2002. It has 17 jewels with a 56 hour power reserve and 21,600 vph.
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