Seiko Cal. 7154 - 161

This Quartz model from 1981 features a 38mm PVD Black case. With its 19mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-e4d1126083cf]

Also known as: Sumo, Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1981

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