Seiko Cal. 4422 - 990

Released in 1997, the Cal. 4422 with design code 990 was part of Seiko's domestic market collection. Powered by the 4422 caliber with 24j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-6ca4bc33e0b5]

Also known as: Bullhead, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1997

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