Seiko Cal. 4420 - 815

The Seiko 4420-815 represents an important milestone in Seiko's 1991 lineup. It features a Green dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-ceb02a6fa3a6]

Also known as: Navigator, Emperor

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1991

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