Seiko Cal. 4521 - 522

The 4521-522 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4521 caliber with 18j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-bfb647352c47]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1978

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