Seiko Cal. 4578 - 683

The Seiko 4578-683 represents an important milestone in Seiko's 1988 lineup. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-848393da17e9]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1988

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