Seiko Cal. 7163 - 269

This Spring Drive model from 1977 features a 41mm PVD Black case. With its 21mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-c81f08668325]

Also known as: Helmet, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1977

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