Seiko Cal. 5656 - 991

Seiko 5656-991

The 5656-991 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5656 caliber with 32j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-860314fb0a2c]

Also known as: UFO, Bellmatic

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
10.1mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Cream
Jewels
32j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1975

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