Seiko Cal. 0724 - 643

This Automatic model from 1974 features a 43mm Stainless Steel case. Powered by the 0724 caliber with 26j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-2dab0ea3cb1a]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1974

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