Seiko Cal. 7187 - 188

This Spring Drive model from 1976 features a 41mm Titanium case. Powered by the 7187 caliber with 35j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-1cfca410e98e]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1976

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