Manufacturer Seiko Caliber Number 6R54, 6R54A Movement Type Automatic, self-winding mechanical Diameter 27.4mm Casing Diameter 27mm Height 5.3mm Jewels 24...
Spron 510
Manufacturer Seiko Caliber Number 6R55, 6R55A Movement Type Automatic, self-winding mechanical In-House? Yes Diameter (needs confirmed) Casing Diameter (needs confirmed)...
Manufacturer Seiko Caliber Number 6R20, 6R20A Movement Type Automatic, self-winding mechanical In-House? Yes Diameter 27.40mm (outside), 27mm (casing) Height 6.15mm...
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) Movement Type Automatic Jewels 29 Vibrations Per Hour 28,800 bph...
Brand Grand Seiko Caliber Number 9S85 / 9S85A Movement Type Automatic (Hi-Beat) Jewels 37 Power Reserve 55 hours Vibrations Per...
Brand Seiko Caliber Number 9S65 / 9S65A Movement Type Automatic Jewels 35 Power Reserve 72 hours Vibrations Per Hour 28,800...
network of watch sites
