Seiko Cal. 5655 - 927

This Spring Drive model from 1976 features a 37mm Two-Tone case. It features a Champagne dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-878f664f923e]

Also known as: Monster, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1976

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