Seiko Cal. 4490 - 816

The Seiko 4490-816 represents an important milestone in Seiko's 1989 lineup. With its 18mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-8b72e328e2f9]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1989

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