Seiko Cal. 4427 - 322

Seiko 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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