Seiko Cal. 4550 - 217

The Seiko 4550-217 represents an important milestone in Seiko's 1970 lineup. With its 22mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-3a6ca71d7cb6]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1970

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