Seiko Cal. 5690 - 585

This Quartz model from 1981 features a 37mm Titanium case. It features a Navy dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-6184d1525e16]

Also known as: Monster, Bullhead

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1981

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