Seiko Cal. 7156 - 284

This Spring Drive model from 1981 features a 41mm PVD Black case. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-7e0b52909e9d]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1981

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