Seiko Cal. 4472 - 744

This Hand-Winding model from 1974 features a 40mm Titanium case. Powered by the 4472 caliber with 32j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-b4f3c7cda4d3]

Also known as: Tuna, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1974

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