Seiko Cal. 7137 - 731

This Quartz model from 1980 features a 44mm PVD Black case. It features a Cream dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-cde8b6219126]

Also known as: Tuna, Silverwave

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1980

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