Seiko Cal. 3857 - 197

This Automatic model from 1966 features a 34mm Two-Tone case. It features a Green dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-25c908342bdd]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1966

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