Seiko Cal. 6631 - 955

The Seiko 6631-955 represents an important milestone in Seiko's 1987 lineup. With its 18mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-40a0035bb8e9]

Also known as: Shogun, Pogue

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1987

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