Seiko Cal. 4420 - 558

The Seiko 4420-558 represents an important milestone in Seiko's 1976 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-a63cde6e00cd]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1976

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