Seiko Cal. 5646 - 866

Seiko 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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