Seiko Cal. 4580 - 365

The Seiko 4580-365 represents an important milestone in Seiko's 1986 lineup. With its 20mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-0bd60bfd1dce]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1986

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