Seiko Cal. 5637 - 909

This Solar model from 1977 features a 37mm PVD Black case. Powered by the 5637 caliber with 26j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-6eef98837289]

Also known as: Goldfeather, Sea Horse

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1977

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