Seiko Cal. 4421 - 767

The Seiko 4421-767 represents an important milestone in Seiko's 1999 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-6369691036b8]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1999

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