Seiko Cal. 3881 - 798

This Automatic model from 1981 features a 42mm Hardlex-Coated Steel case. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-c68ed04caa78]

Also known as: Turtle, Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1981

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