Seiko Cal. 0724 - 831

This Hand-Winding model from 1969 features a 40mm Hardlex-Coated Steel case. It features a Green dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-6e0e01480f27]

Also known as: UFO, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1969

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