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.
ETA 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...
In this detailed video by perplxr, watch as a hand-wound ETA caliber 6497-1 movement gets overhauled from start to finish,...
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ALTO Caliber A01
One of the coolest looking movements I've seen in a long time!
ALTO Caliber A01
What's with these prices. It's 20k and has the same regulating system in my $500…
Sunon Caliber PE11
Sunon is a part of GUANGZHOU Pearl Time Group, PE11 is the only repairable movement…
ETA Caliber 2824-2
Hi Craig, that would be the hour wheel. Tech sheets were added to the caliber…
Miyota Caliber 2115
Found in the Aviator branded Special OPS AVW78341G350. It ticks along with +2 sec./month, thats…
Active Caliber Listings
It seems that Oris has released version 2 (Cal 400-2) of this caliber, to address…
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