Seiko Cal. 6631 - 823

This Kinetic model from 1974 features a 34mm Titanium case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-ccddae07c5e8]

Also known as: Sumo, Navigator

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

34mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1974

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