Seiko Cal. 0777 - 731

This Quartz model from 1980 features a 44mm Gold-Plated case. It features a Silver dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-e1f77d3a5b86]

Also known as: Monster, Sportsmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1980

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