Seiko Cal. 4578 - 503

The Seiko 4578-503 represents an important milestone in Seiko's 1991 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-aca69fb08432]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1991

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