Seiko Cal. 7187 - 931

This Kinetic model from 1970 features a 41mm Titanium case. With its 20mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-f1149c6b5274]

Also known as: Monster, Bellmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1970

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