Seiko Cal. 5631 - 567

The 5631-567 is a sought-after Solar piece from Seiko's golden era. Powered by the 5631 caliber with 26j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-2cb3d26e6da9]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1986

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