Seiko Cal. 5693 - 836

This Automatic model from 1978 features a 35mm Titanium case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-70f3ad30e2a0]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1978

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