Found in the Hamilton Pan Europ limited edition watch, this caliber H31 is a variation of the ETA/Valjoux 7750. This Swiss made automatic movement has 27 jewels and an upgraded power reserve of 60 hours.
Fascinated WIth Automatic Watches
Hi QM1SW but I go by Lou. They would not let me use it ...
By QM1SW , 4 days ago
RE: Issue with Soprod C125-Zodiac ZO3557 Super Sea Wolf LHD Pro-Diver GMT
Either weishi 1000 or 1800 is good, 1800 is what I use ...
By Lexie2797 , 6 days ago
RE: Upgrading a Seiko's watch movement
Hey mrk. I think a GS with that movement starts at abou...
By Dryfly , 1 week ago
RE: Upgrading a Seiko's watch movement
My bad, I was referring to the 9S (not S9 :sweat_smile:...
By mrk , 1 week ago
By calibercorner , 1 week ago
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