Seiko Cal. 0731 - 324

This Quartz model from 1973 features a 43mm Titanium case. Powered by the 0731 caliber with 33j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-2a32500f7c8f]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1973

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