Seiko Cal. 5668 - 803

The Seiko 5668-803 represents an important milestone in Seiko's 1970 lineup. It features a Black dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-1190d2cf7caf]

Also known as: Sumo, World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1970

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