Seiko Cal. 5231 - 317

This Solar model from 1971 features a 37mm Two-Tone case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-81b89d999f5a]

Also known as: Pogue, Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1971

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