Seiko Cal. 5628 - 874

This Spring Drive model from 1971 features a 37mm Gold-Plated case. Powered by the 5628 caliber with 28j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-4cb9508a0604]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1971

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