Seiko Cal. 4420 - 757

Seiko 4420-757

The 4420-757 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-6f1fb4be9d6e]

Also known as: Sea Horse

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
45mm
Case Thickness
15.1mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
130m
Dial Color
Green
Jewels
24j
Frequency
36,000 bph
Power Reserve
44 hours
Year
1966

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