Seiko Cal. 4420 - 313

Seiko 4420-313

The 4420-313 is a sought-after Automatic piece from Seiko's golden era. With its 21mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-b794f0d1372d]

Also known as: Crown

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
36mm
Case Thickness
15.1mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
110m
Dial Color
Champagne
Jewels
34j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1985

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