Seiko Cal. 4422 - 391

Seiko 4422-391

The 4422-391 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-ebb102f4bf86]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
8.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Burgundy
Jewels
34j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1972

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