Seiko Cal. 7180 - 140

This Spring Drive model from 1983 features a 35mm Stainless Steel case. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-caa4bcfaecd1]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1983

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