Seiko Cal. 7180 - 837

This Spring Drive model from 1976 features a 34mm PVD Black case. With its 19mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-fdc3ca24e449]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1976

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