Seiko Cal. 4427 - 864

This Spring Drive model from 1984 features a 44mm Hardlex-Coated Steel case. With its 18mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-02d962e0df60]

Also known as: Rally, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1984

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