Seiko Cal. 5644 - 552

The Seiko 5644-552 represents an important milestone in Seiko's 1982 lineup. With its 19mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-cfaf7ff1fbcf]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1982

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