Seiko Cal. 4521 - 301

The Seiko 4521-301 represents an important milestone in Seiko's 1984 lineup. Powered by the 4521 caliber with 21j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-4f66e7f0c877]

Also known as: Goldfeather, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1984

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