Seiko Cal. 4551 - 489

The Seiko 4551-489 represents an important milestone in Seiko's 1971 lineup. With its 18mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-80f93d1c35a5]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1971

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