Seiko Cal. 0731 - 135

This Quartz model from 1979 features a 39mm Gold-Plated case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-6699ceaf33aa]

Also known as: Monster, Silverwave

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1979

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