Seiko Cal. 3888 - 371

This Spring Drive model from 1966 features a 42mm Stainless Steel case. Powered by the 3888 caliber with 22j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-ab1365b64725]

Also known as: Bullhead, Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1966

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