Seiko Cal. 5690 - 920

This Solar model from 1979 features a 37mm Gold-Plated case. Powered by the 5690 caliber with 33j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-da2fbf4c7b14]

Also known as: Turtle

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1979

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