Seiko Cal. 4521 - 222

The Seiko 4521-222 represents an important milestone in Seiko's 1994 lineup. Powered by the 4521 caliber with 18j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-1d45cb92d87b]

Also known as: Helmet, Crown

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1994

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