Seiko Cal. 6642 - 579

This Quartz model from 1987 features a 37mm Gold-Plated case. It features a Silver dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-54474664051c]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1987

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