Seiko Cal. 4431 - 605

This Kinetic model from 1965 features a 43mm Hardlex-Coated Steel case. It features a White dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-cf5c6251d698]

Also known as: UFO, Flighty

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1965

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