Seiko Cal. 5631 - 432

This Solar model from 1974 features a 41mm Two-Tone case. Powered by the 5631 caliber with 18j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-3bf5a66c2f45]

Also known as: Samurai

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1974

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