Ball SpringLOCK is a patented shock protection device that acts as a cage around the hairspring, protecting it from jolts...
Hairspring
Rolex’s Parachrom Bleu Hairspring is an in-house hairspring comprised of a paramagnetic alloy – made from metal, not silicon. The...
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