Seiko Cal. 5631 - 881

The Seiko 5631-881 represents an important milestone in Seiko's 1995 lineup. Powered by the 5631 caliber with 33j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-3e484bc2f93f]

Also known as: Rally, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1995

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