Seiko Cal. 5690 - 330

This Spring Drive model from 1966 features a 37mm PVD Black case. Powered by the 5690 caliber with 17j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-6fdc92d19529]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1966

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