Seiko Cal. 4420 - 302

Seiko 4420-302

The 4420-302 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-4c46bdd3c9d1]

Also known as: Monster

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
12.9mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
White
Jewels
25j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1982

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