Seiko Cal. 4478 - 593

The Seiko 4478-593 represents an important milestone in Seiko's 1980 lineup. Powered by the 4478 caliber with 29j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-8476da3b4879]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1980

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