Seiko Cal. 6636 - 232

This Hand-Winding model from 1981 features a 35mm Hardlex-Coated Steel case. With its 18mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-e749fb79b0bc]

Also known as: World Timer, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1981

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