Seiko Cal. 5628 - 646

This Hand-Winding model from 1976 features a 45mm Stainless Steel case. Powered by the 5628 caliber with 30j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-c026d6bea8e4]

Also known as: Samurai, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1976

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