Seiko Cal. 5690 - 638

This Kinetic model from 1965 features a 34mm Titanium case. It features a Navy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-1e2396dba4e9]

Also known as: Sumo, Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

34mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1965

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