Seiko Cal. 4431 - 583

The 4431-583 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4431 caliber with 18j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-ad388c628c54]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1984

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