Seiko Cal. 4427 - 643

Seiko 4427-643

This Hand-Winding model from 1988 features a 45mm Hardlex-Coated Steel case. With its 19mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-358f613a7a6f]

Also known as: Flighty

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
8.3mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
90m
Dial Color
Black
Jewels
20j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1988

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seikata-wm-358f613a7a6f