Seiko Cal. 5634 - 153

This Hand-Winding model from 1983 features a 41mm PVD Black case. With its 19mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-54e3ca3643e7]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1983

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