Seiko Cal. 4421 - 303

Seiko 4421-303

The 4421-303 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-2d664f3f481a]

Also known as: Shogun

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
8.5mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
180m
Dial Color
Navy
Jewels
25j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1971

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