Seiko Cal. 4559 - 521

The 4559-521 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4559 caliber with 22j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-7a2d83398ec7]

Also known as: Tuna, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1987

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