Seiko Cal. 7175 - 556

The Seiko 7175-556 represents an important milestone in Seiko's 1980 lineup. With its 18mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-8b6f033b7a02]

Also known as: Sumo, Arnie

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1980

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