Seiko Cal. 5237 - 139

This Automatic model from 1976 features a 45mm Gold-Plated case. Powered by the 5237 caliber with 24j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-9bf4447c0459]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1976

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