Seiko Cal. 5256 - 531

This Solar model from 1969 features a 37mm Two-Tone case. Powered by the 5256 caliber with 30j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-b12a8b8312a3]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1969

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