Seiko Cal. 4421 - 483

The Seiko 4421-483 represents an important milestone in Seiko's 1970 lineup. It features a White dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-256ca9c34b59]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1970

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