Seiko Cal. 5631 - 139

This Solar model from 1983 features a 38mm Gold-Plated case. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-d46f455809d4]

Also known as: Monster, Crown

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1983

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