Seiko Cal. 4420 - 836

Seiko 4420-836

The 4420-836 is a sought-after Automatic piece from Seiko's golden era. With its 21mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-6dd1d8c0518f]

Also known as: Sportsmatic, Crown

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
9.6mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Silver
Jewels
19j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1971

Related Models

seikata-wm-6dd1d8c0518f