Seiko Cal. 4580 - 994

The Seiko 4580-994 represents an important milestone in Seiko's 1988 lineup. Powered by the 4580 caliber with 24j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-6cc1577f5aec]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1988

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