Seiko Cal. 5630 - 626

This Hand-Winding model from 1976 features a 34mm Hardlex-Coated Steel case. Powered by the 5630 caliber with 20j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-f5037853efe8]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1976

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