Seiko Cal. 4420 - 937

The 4420-937 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-b1af61d04078]

Also known as: Pogue

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1977

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