Seiko Cal. 4420 - 890

Seiko 4420-890

The 4420-890 is a sought-after Hand-Winding piece from Seiko's golden era. With its 22mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-b8059eb8a6a7]

Also known as: Sportsmatic, Arnie

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
11.0mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Black
Jewels
35j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1966

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