Seiko Cal. 3812 - 921

Seiko 3812-921

This Spring Drive model from 1973 features a 36mm PVD Black case. With its 19mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-c6b7d5d9a282]

Also known as: Sea Horse

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
36mm
Case Thickness
14.5mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Navy
Jewels
27j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1973

Related Models

seikata-wm-c6b7d5d9a282