Seiko Cal. 4490 - 422

The Seiko 4490-422 represents an important milestone in Seiko's 1993 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-1d710c464381]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1993

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