Seiko Cal. 6653 - 661

The 6653-661 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6653 caliber with 18j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-1c2df0c219f7]

Also known as: UFO, Navigator

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1972

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