Seiko Cal. 7157 - 850

The Seiko 7157-850 represents an important milestone in Seiko's 1980 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-b39fd2f46c3f]

Also known as: Sumo, Bullhead

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1980

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