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.
RE: Polishing Digital Watch Crystal
Depends on how deep the scratches are. Yes you can do ...
pamoh , 4 days ago
Polishing Digital Watch Crystal
Is it OK to polish the crystal (or is it just called a ...
B-Shock , 5 days ago
RE: open source mechanical Swiss watch movement
It is interesting but I am not sure if it is something ...
pamoh , 7 days ago
RE: My new ultrasonic cleaning machine
I am not sure about your cleaner, are they all the sam...
pamoh , 7 days ago
RE: My new ultrasonic cleaning machine
Thanks for the reply. I'm going to start with just the ...
Gearygary , 1 week ago
Recent Comments
The wonderfully underrated Festina Automatic Skeleton (20632/1) also uses this movement. It keeps time better…
17 is the grout number. ST1701 is the specific automatic calibre and ST1700 the manual…
Duzu Watches of Western Australia use this movement in their DW-D3 diver range
That is an interesting looking movement. Is the big screw in the middle a trimmer?
Hi CJDUDHF, thank you the comment. This caliber listing has been updated above. Also, more…
Found labeled TAG HEUER 2.00 in a 2000 Series
Glad it helped. Thank you for the comment :)