Seiko Cal. 0771 - 112

This Spring Drive model from 1978 features a 34mm Two-Tone case. It features a Silver dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-03e2d01016c7]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1978

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