Seiko Cal. 4491 - 721

The Seiko 4491-721 represents an important milestone in Seiko's 1999 lineup. Powered by the 4491 caliber with 35j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-dbeeba8c807e]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1999

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