Seiko Cal. 5664 - 761

The 5664-761 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5664 caliber with 20j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-3ece1f14ab09]

Also known as: UFO, Goldfeather

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1977

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