Seiko Cal. 3850 - 398

This Spring Drive model from 1970 features a 35mm Titanium case. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-75e54eb6627e]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1970

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