Seiko Cal. 5636 - 974

This Spring Drive model from 1983 features a 39mm Gold-Plated case. With its 22mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-f42a26887e8e]

Also known as: Sumo, World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1983

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