Seiko Cal. 4580 - 490

The Seiko 4580-490 represents an important milestone in Seiko's 1987 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-b63e025beab4]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1987

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