Seiko Cal. 4521 - 430

The Seiko 4521-430 represents an important milestone in Seiko's 1974 lineup. Powered by the 4521 caliber with 34j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-5b5e9c0c8787]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1974

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