Seiko Cal. 4590 - 522

The 4590-522 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4590 caliber with 27j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-2dc70b2f525d]

Also known as: Pogue, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1981

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