Seiko Cal. 5655 - 864

The 5655-864 is a sought-after Solar piece from Seiko's golden era. Powered by the 5655 caliber with 31j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-3fd6893e68be]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1965

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