Seiko Cal. 5634 - 855

This Automatic model from 1990 features a 42mm PVD Black case. With its 19mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-e4d4c640b689]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1990

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