Seiko Cal. 4429 - 446

The Seiko 4429-446 represents an important milestone in Seiko's 1991 lineup. Powered by the 4429 caliber with 23j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-c7450b15bf38]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1991

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