Seiko Cal. 4583 - 966

The Seiko 4583-966 represents an important milestone in Seiko's 1985 lineup. Powered by the 4583 caliber with 29j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-b3b3b27f237d]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1985

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