Seiko Cal. 4424 - 421

The Seiko 4424-421 represents an important milestone in Seiko's 1982 lineup. It features a Silver dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-ff3eb28fe9a8]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1982

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