Seiko Cal. 4588 - 884

This Spring Drive model from 1976 features a 40mm Hardlex-Coated Steel case. With its 22mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-3948c6e98ca7]

Also known as: Sumo, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1976

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