Seiko Cal. 4521 - 222

The 4521-222 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4521 caliber with 28j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-6d12aac06ac2]

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1979

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