Manufacturer Seiko (aka Seiko Instruments, SII) Caliber Number NH72 (aka NH72A) Movement Type Automatic Lignes 12”’ Diameter 27.4mm Casing Diameter...
Seiko
Manufacturer Seiko Caliber Number 4R34, 4R34A Movement Type Automatic Diameter 27.4mm (casing 27mm) Jewels 24 Vibrations Per Hour 21,600 bph...
Manufacturer Seiko Caliber Number 6R31, 6R31A Movement Type Automatic Diameter 27.40mm (needs confirmed) Casing Diameter 27mm (needs confirmed) Height 5.25mm...
Manufacturer Seiko Time Corp. Caliber Number 8J41 Type Quartz Jewels 5 / 7 Vibrations Per Hour 32,768Hz Accuracy +/- 10...
Manufacturer Seiko Time Corp. Caliber Number 8J42 Type Quartz Jewels 5 / 7 Vibrations Per Hour 32,768Hz Accuracy +/- 10...
Manufacturer Seiko (Seiko Watch Corporation) Caliber Number 6R64, 6R64A Movement Type Automatic In-House? Yes Jewels 29 Beat Rate 28,800 vph...
Manufacturer Grand Seiko (Seiko Watch Corporation) Caliber Number 9R65, 9R65A Movement Type Automatic, Spring Drive In-House? Yes Jewels 30 Frequency...
Manufacturer Seiko Caliber Number 8T63, 8T63A Type Quartz, Mechaquartz Lignes 13.5”’ Diameter 30.8mm Casing Diameter 29mm Thickness 5.1mm Jewels 0...
Manufacturer Seiko Caliber Number 6N52, 6N52A Movement Type Quartz Battery Life 3 years Hacking? Yes Hand Count 3 hands Functions...
Manufacturer Seiko Caliber Number V194, V194A Type Solar Powered (quartz) Jewels Unconfirmed (please add to the comments below) Frequency 32,768...
Manufacturer Seiko Caliber Number 8T68, 8T68A Type Quartz, Mechaquartz Lignes 13.5”’ Diameter 30.8mm Casing Diameter 29mm Thickness 5.1mm Jewels 0...
Manufacturer Seiko Caliber Number V192, V192A Type Solar Powered (quartz) Jewels Unconfirmed (please add to the comments below) Frequency 32,768...
Manufacturer Seiko Caliber Number 6N53, 6N53A Movement Type Quartz Battery Life 3 years Hacking? Yes Hand Count 3 hands Functions...
Manufacturer Akita (Unit/Division of Seiko) Caliber Number 9ME00 Type Quartz Lignes 10.5”’ (unconfirmed) Diameter 23.30mm (unconfirmed) Thickness 2.60mm (unconfirmed) Jewels...
Manufacturer S. Epson Corp. (Seiko/Hattori) Caliber Number Y120, Y120G Type Quartz Lignes 6 3/4”’ x 8”’ Diameter 15.30mm x 18.2mm...
Manufacturer Seiko Caliber Number NH36A (aka NH36) Movement Type Automatic Lignes 12”’ Diameter 27.40mm (outside) / 29.36mm (casing) Height 5.32mm...
Seiko Caliber NH35A Miyota Caliber 9015 Year Introduced ~2011 2009 Type Automatic Automatic Lignes 12”’ 11.5”’ Diameter 27.4mm 26mm...
Manufacturer Seiko Caliber Number 6R35A (6R35) Movement Type Automatic Diameter 27.40mm Casing Diameter 27mm Height 5.25mm Jewels 24 Vibrations Per...
Manufacturer Seiko Caliber Number 4R57, 4R57A Movement Type Automatic Lignes 12”’ Thickness 6.63mm Jewels 29 Vibrations Per Hour 21,600 bph...
S. Epson/Hattori caliber VR34 (VR34A) quartz chronograph watch movement. Full caliber listing coming soon....
Manufacturer Grand Seiko Caliber Number T-Zero (T0) Movement Type Tourbillon, manual-wind In-House? Yes Diameter 36mm Thickness 8.22mm (total) Jewels 43...
Manufacturer Seiko (aka Seiko Instruments, SII) Caliber Number NH71 (aka NH71A) Movement Type Automatic Lignes 12”’ Diameter 27.4mm Casing Diameter...
Manufacturer Seiko (aka Seiko Instruments, SII) Caliber Number NH70 (aka NH70A) Movement Type Automatic Lignes 12”’ Diameter 27.4mm Casing Diameter...
Manufacturer Seiko Caliber Number 8L55, 8L55A Movement Type Automatic In-House? Yes Diameter (needs confirmed) Casing Diameter (needs confirmed) Height (needs...
