Seiko Cal. 5646 - 866

The 5646-866 is a sought-after Solar piece from Seiko's golden era. Powered by the 5646 caliber with 24j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-061ddecf5180]

Also known as: UFO, Silverwave

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1972

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