Seiko Cal. 4590 - 789

This Hand-Winding model from 1993 features a 39mm Hardlex-Coated Steel case. With its 22mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-7eaeaf52b4f9]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1993

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