Seiko Cal. 5634 - 598

This Hand-Winding model from 1973 features a 36mm Hardlex-Coated Steel case. With its 18mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-1bffb507a4c4]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1973

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