Seiko Cal. 6631 - 556

The Seiko 6631-556 represents an important milestone in Seiko's 1995 lineup. With its 20mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-a674238db340]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1995

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