Seiko Cal. 4420 - 603

The Seiko 4420-603 represents an important milestone in Seiko's 1972 lineup. It features a Green dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-790bec5f4e11]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1972

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