Seiko Cal. 4521 - 220

The 4521-220 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4521 caliber with 24j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-cd30eac971fc]

Also known as: Silverwave

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1995

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