Seiko Cal. 7173 - 851

This Spring Drive model from 1976 features a 34mm Titanium case. Powered by the 7173 caliber with 24j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-4f0ef01dba91]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1976

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