Seiko Cal. 5631 - 448

The Seiko 5631-448 represents an important milestone in Seiko's 1986 lineup. With its 19mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-3ad885ad1762]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1986

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