Seiko Cal. 3812 - 621

This Spring Drive model from 1976 features a 41mm Two-Tone case. With its 21mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-21132f1d15c2]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1976

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