Seiko Cal. 7173 - 552

The 7173-552 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-d3def6dfe123]

Also known as: Bullhead, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

32j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1989

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