Seiko Cal. 6635 - 875

This Hand-Winding model from 1971 features a 43mm Hardlex-Coated Steel case. With its 21mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-2a7f5b6aae07]

Also known as: Sumo, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1971

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