Seiko Cal. 4420 - 590

The Seiko 4420-590 represents an important milestone in Seiko's 1997 lineup. It features a Silver dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-6ba06772c46e]

Also known as: Sea Horse, Flighty

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1997

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