Seiko Cal. 5643 - 573

This Automatic model from 1975 features a 40mm Two-Tone case. Powered by the 5643 caliber with 30j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-55350b5233aa]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1975

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