Seiko Cal. 6223 - 763

This Quartz model from 1977 features a 42mm Stainless Steel case. It features a Silver dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-a48c25f992a7]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1977

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