Seiko Cal. 4537 - 970

This Spring Drive model from 1976 features a 38mm Hardlex-Coated Steel case. Powered by the 4537 caliber with 36j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-02a78141dc8e]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1976

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