Seiko Cal. 5690 - 920

This Quartz model from 1973 features a 38mm Titanium case. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-de4f1b9093d0]

Also known as: Sumo, Shogun

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1973

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