Seiko Cal. 5631 - 567

Seiko 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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