Seiko Cal. 4490 - 620

The Seiko 4490-620 represents an important milestone in Seiko's 1971 lineup. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-f98902d7d962]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1971

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