Seiko Cal. 5656 - 724

This Automatic model from 1965 features a 34mm Titanium case. Powered by the 5656 caliber with 18j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-c5bba32ec14c]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1965

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