Seiko Cal. 5664 - 794

The 5664-794 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5664 caliber with 31j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-2c29ea5b3ca0]

Also known as: Shogun, UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1971

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