Seiko Cal. 4427 - 322

This Automatic model from 1995 features a 44mm Hardlex-Coated Steel case. Powered by the 4427 caliber with 22j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-1510f7cffeeb]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1995

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