Seiko Cal. 7111 - 578

This Spring Drive model from 1972 features a 37mm Titanium case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-a7f9d2fc8ac8]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1972

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