Seiko Cal. 4420 - 142

The 4420-142 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4420 caliber with 35j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-e64a8846d225]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1966

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