Manufacturer Seiko Caliber Number 6R20, 6R20A Movement Type Automatic, self-winding mechanical In-House? Yes Diameter 27.40mm (outside), 27mm (casing) Height 6.15mm...
6R15
Manufacturer Seiko Caliber Number 6R35, 6R35A Movement Type Automatic Diameter 27.40mm (needs confirmed) Casing Diameter 27mm (needs confirmed) Height 5.25mm...
Manufacturer Seiko Caliber Number 6R15 (A/B/C/D) Movement Type Automatic Diameter 27.40mm (outside), 27mm (casing) Height 5.25mm Jewels 23/24 Vibrations Per...
Manufacturer Seiko Caliber Number 6R27 Base Caliber 6R15 (6R family) In-House? Yes Movement Type Automatic, self-winding mechanical Lignes 12”’ Diameter...
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