Seiko Cal. 6632 - 422

This Spring Drive model from 1967 features a 37mm Two-Tone case. With its 22mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-45529357a0f8]

Also known as: Sumo, Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1967

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