Seiko Cal. 4427 - 443

Seiko 4427-443

The 4427-443 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-34504b31243d]

Also known as: Crown

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
46mm
Case Thickness
10.6mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
190m
Dial Color
Black
Jewels
32j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1982

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seikata-wm-34504b31243d