Seiko Cal. 4550 - 652

The Seiko 4550-652 represents an important milestone in Seiko's 1968 lineup. With its 21mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-ae5ff8320e09]

Also known as: Turtle, Bullhead

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1968

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