Seiko Cal. 4531 - 744

This Automatic model from 1973 features a 35mm Two-Tone case. Powered by the 4531 caliber with 22j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-ec4a52a46a34]

Also known as: Pogue, Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1973

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