Seiko Cal. 5637 - 412

This Hand-Winding model from 1995 features a 34mm Stainless Steel case. Powered by the 5637 caliber with 31j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-8f4cdd28ae27]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1995

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