Seiko Cal. 6387 - 561

This Quartz model from 1972 features a 38mm Hardlex-Coated Steel case. It features a Cream dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-27fd1c06023d]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1972

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