Seiko Cal. 7075 - 528

This Spring Drive model from 1975 features a 40mm Titanium case. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-752950060b45]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1975

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