Seiko Cal. 4583 - 732

This Automatic model from 1967 features a 40mm Stainless Steel case. Powered by the 4583 caliber with 29j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-7d42e1bb162a]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1967

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