Manufacturer Seiko Instruments Inc. / SII / Hattori / TMI Caliber Number VH31, VH31A, VH31B Type Quartz (mechaquartz), battery-powered Lignes...
Sweeping Seconds Quartz
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Manufacturer Seiko Instruments Inc. / SII / Hattori / TMI Caliber Number VH60, VH60A, VH60B Type Quartz Lignes 10.5”’ Diameter...
Manufacturer Seiko Caliber Number 5S21, 5S21A Movement Type Quartz Diameter 24mm Casing Diameter 23.3mm Height 2.2mm (2.3mm with battery) Jewels...
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Militado got this movement
Henry Archer Vesterhav. Mine is running at +2 sec/day. I do wish that the movement…
Step 1) Set the time correctly. Step 2) Wait 24 hours. Step 3) Compare the…
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