Seiko Cal. 4431 - 427

This Kinetic model from 1979 features a 44mm Hardlex-Coated Steel case. It features a White dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-2b1d5653f04f]

Also known as: Rally, Arnie

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1979

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