Seiko Cal. 6390 - 341

The 6390-341 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6390 caliber with 21j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-c598cdcb1bd1]

Also known as: UFO, Sea Horse

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1972

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