Seiko Cal. 4580 - 731

This Automatic model from 1976 features a 35mm Two-Tone case. Powered by the 4580 caliber with 20j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-9fa9f6832b99]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1976

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