Seiko Cal. 4591 - 237

This Solar model from 1981 features a 37mm Two-Tone case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-950476b77732]

Also known as: Turtle

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1981

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