Seiko Cal. 4580 - 928

The Seiko 4580-928 represents an important milestone in Seiko's 1989 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-0ec93bd7cb61]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1989

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