Seiko Cal. 4490 - 164

The Seiko 4490-164 represents an important milestone in Seiko's 1985 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-08e2244f4a18]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1985

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