Seiko Cal. 7163 - 756

This Spring Drive model from 1983 features a 34mm PVD Black case. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-c38869f37143]

Also known as: Helmet, Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1983

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