Seiko Cal. 7156 - 924

This Kinetic model from 1975 features a 40mm Hardlex-Coated Steel case. Powered by the 7156 caliber with 21j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-7d320df594fa]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1975

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