Seiko Cal. 4421 - 385

Seiko 4421-385

The 4421-385 is a sought-after Automatic piece from Seiko's golden era. With its 22mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-493852ee1b44]

Also known as: Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
34mm
Case Thickness
9.1mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Green
Jewels
19j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1981

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seikata-wm-493852ee1b44