Seiko Cal. 7163 - 346

This Spring Drive model from 1988 features a 40mm Titanium case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-600d1297c27d]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1988

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