Manufacturer Seiko (Daini Seikosha factory) Caliber Number 6106C Base Caliber 6106A Movement Type Automatic, self-winding mechanical Diameter 27mm Height 5.15mm...
Seiko
Brand Seiko Caliber Number 5Y23, 5Y23A Movement Type Quartz Lignes 10.5”’ Outer Diameter 25.4mm Inner Diameter 19mm x 22mm Casing...
Manufacturer Grand Seiko (Seiko Watch Corporation) Caliber Number 9SC5 Movement Type Automatic, self-winding mechanical, chronograph In-House? Yes Jewels 60 Beat...
Manufacturer Seiko Instruments (SII, TMI) Caliber Number NE86, NE86A Family/Series NE Movement Type Automatic, self-winding mechanical, chronograph Lignes 12.5”’ Diameter...
Manufacturer Seiko Caliber Number 6R54, 6R54A Movement Type Automatic, self-winding mechanical In-House? Yes Diameter 27.4mm Casing Diameter 27mm Height 5.3mm...
The Seiko caliber 6N33 (aka 6N33A) is a 3-hander quartz movement with a day date calendar at 3:00. This caliber...
Manufacturer Seiko Caliber Number 6R55, 6R55A Movement Type Automatic, self-winding mechanical In-House? Yes Diameter (needs confirmed) Casing Diameter (needs confirmed)...
Seiko caliber 6N76 is a quartz watch movement with a big date at 6:00. It has 0 jewels with a...
The Seiko caliber 5X53 is a solar powered quartz movement with GPS. The 5X53 is found in Seiko Astron GPS...
The Seiko caliber 8S23 (aka 8S23A) is a solar powered quartz watch movement with a day/date. It has 2 jewels...
Manufacturer Seiko Caliber Number 1B21 Movement Type Solar radio signal (solar radio wave control), quartz Jewels 4 (needs confirmed) Frequency...
Manufacturer Seiko Caliber Number Y676 Based On 7S26 Movement Type Automatic, self-winding mechanical Diameter 27.4mm Height 4.8mm thick Jewels 21...
Manufacturer Seiko Caliber Number 5Y66, 5Y66A Movement Type Quartz Diameter 24mm Casing Diameter 23.3mm Height 3.81mm Jewels 0 Frequency 32,768Hz...
Manufacturer Hattori aka Seiko Instruments Inc. (SII) Caliber Number PC33A, PC33 Type Quartz Size 10.5”’ Diameter 23.7mm Height 4.15mm Jewels...
Manufacturer Seiko Caliber Number V175, V175A Movement Type Solar Powered (quartz) Diameter 27.6mm Casing Diameter 27mm Height 4.4mm Jewels 0...
Below is a list of Seiko movements. The Seiko calibers that are already listed on the site will be linked...
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 Y675 Based On 7S25 Movement Type Automatic, self-winding mechanical Diameter 27.4mm Height 4.8mm thick Jewels 21...
Manufacturer Seiko Caliber Number 8R46, 8R46A Family/Series 8R Movement Type Automatic In-House Yes Lignes 12.5”’ Diameter 28.6mm Height 7.62mm Jewels...
Manufacturer Seiko Instruments (SII) Caliber Number NE20, NEW20A Base Caliber NE15 Movement Type Automatic Lignes 12”’ Diameter 27.40mm Casing Diameter...
Manufacturer Grand Seiko (Seiko Watch Corporation) Caliber Number 9R31, 9R31A Movement Type Automatic, Spring Drive In-House? Yes Jewels 30 Frequency...
Manufacturer Seiko Instruments (SII), Time Module Caliber Number NH34, NH34A Movement Type Automatic Lignes 12”’ Diameter 27.4mm (29.36mm w/ spacer)...
Manufacturer Seiko (aka Seiko Instruments, SII) Caliber Number NH72 (aka NH72A) Movement Type Automatic Lignes 12”’ Diameter 27.4mm Casing Diameter...
Manufacturer Seiko Caliber Number 4R34, 4R34A Movement Type Automatic Diameter 27.4mm (casing 27mm) Jewels 24 Vibrations Per Hour 21,600 bph...