Seiko Cal. 5693 - 618

This Quartz model from 1966 features a 41mm Hardlex-Coated Steel case. It features a Cream dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-a54ca08571a4]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1966

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