Seiko Cal. 0731 - 218

This Solar model from 1977 features a 38mm Titanium case. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-f941e6dd9ff3]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1977

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