Seiko Cal. 5690 - 921

This Solar model from 1967 features a 43mm PVD Black case. Powered by the 5690 caliber with 27j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-2469f95fa277]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1967

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