Seiko Cal. 6390 - 661

The 6390-661 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6390 caliber with 29j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-a5e3bd9fd2df]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

29j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1995

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