Seiko Cal. 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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