Seiko Cal. 4445 - 221

The Seiko 4445-221 represents an important milestone in Seiko's 1998 lineup. Powered by the 4445 caliber with 21j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-d5b472d94131]

Also known as: Tuna, Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1998

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