SII

Latest

Seiko (SII) Caliber NH05A

Manufacturer Seiko Caliber Number NH05A (aka NH05) Movement Type Automatic, self-winding mechanical Lignes 7 3/4”’ Diameter 17.5mm Height 5.92mm Jewels...

Automatic

1414

Hattori Seiko Caliber VD53B Quartz SII Watch Movement

Hattori Caliber VD53

Manufacturer Hattori aka Seiko Instruments Inc. (SII) Caliber Number VD53, VD53A, VD53B, VD53C Type Quartz Linges 12 3/4”’ Diameter 29.50mm...

Quartz

6645

Hattori SII Caliber VK63

Manufacturer Hattori aka Seiko Instruments Inc. (SII) Caliber Number VK63, VK63A Movement Type Quartz (mecaquartz), battery-powered Lignes 13 1/2”’ Diameter...

Quartz

6665

Hattori SII Caliber PC21S

Manufacturer Hattori aka Seiko Instruments Inc. (SII) Caliber Number PC21S Type Quartz, battery-powered Diameter 18.5mm Height 3.15mm thick (overall height...

Quartz

3513

Seiko Building in Ginza Japan by timfranklinphotography

What is the difference between SII, TMI, and Seiko Epson Watch Movements?

There is a lot of confusion in the watch community about Seiko and Seiko-related watches and movements. Most of the...

Guides

5711

Seiko Instruments (SII) Caliber VK67

Manufacturer Hattori aka Seiko Instruments Inc. (SII) Caliber Number VK67, VK67A Type Quartz (mecaquartz) Diameter 13 1/2”’ (30.8mm x 29.10mm)...

Quartz

1112

Hattori SII Caliber VK83

Manufacturer Hattori aka Seiko Instruments Inc. (SII) Caliber Number VK83, VK83A Type Quartz (mecaquartz) Diameter 13 1/2”’ (30.8mm x 29.10mm)...

Quartz

Seiko Caliber 6R27

Manufacturer Seiko Caliber Number 6R27 Base Caliber 6R15 (6R family) In-House? Yes Movement Type Automatic, self-winding mechanical Lignes 12”’ Diameter...

Automatic

1333

Seiko (SII/TMI) Caliber NH38A

Manufacturer Seiko (SII, TMI) Caliber Number NH38, NH38A Movement Type Automatic, self-winding mechanical Diameter 27.40mm Casing Diameter 29.36mm Height 5.32mm...

Automatic

6457