Seiko Cal. 4581 - 647

The 4581-647 is a sought-after Solar piece from Seiko's golden era. Powered by the 4581 caliber with 20j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-a63de9cf1ee0]

Also known as: Goldfeather, Navigator

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1996

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