Seiko Cal. 7157 - 428

This Kinetic model from 1969 features a 35mm Hardlex-Coated Steel case. Powered by the 7157 caliber with 34j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-5859721fa633]

Also known as: Monster, Helmet

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1969

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