Seiko Cal. 4422 - 221

The Seiko 4422-221 represents an important milestone in Seiko's 1984 lineup. Powered by the 4422 caliber with 27j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-688ce47d998d]

Also known as: Tuna, Crown

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1984

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