Seiko Cal. 5645 - 698

This Spring Drive model from 1971 features a 38mm PVD Black case. Powered by the 5645 caliber with 34j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-11923f840710]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1971

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