Seiko Cal. 5635 - 156

This Spring Drive model from 1987 features a 42mm PVD Black case. It features a Burgundy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-abb2c7d068ec]

Also known as: Monster, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1987

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