Seiko Cal. 5631 - 288

Released in 1991, the Cal. 5631 with design code 288 was part of Seiko's domestic market collection. With its 22mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-08e72dfc0ac6]

Also known as: Rally, Bellmatic

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1991

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