Seiko Cal. 4471 - 521

The Seiko 4471-521 represents an important milestone in Seiko's 1974 lineup. Powered by the 4471 caliber with 33j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-fbed2a4e1f33]

Also known as: Helmet, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1974

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