Seiko Cal. 3812 - 382

This Spring Drive model from 1968 features a 39mm Hardlex-Coated Steel case. With its 19mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-4ab3063d5998]

Also known as: Sumo, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1968

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