Seiko Cal. 3811 - 942

This Automatic model from 1978 features a 38mm Stainless Steel case. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-c7f5099ea1b9]

Also known as: Helmet, World Timer

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1978

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