Seiko Cal. 6390 - 464

The Seiko 6390-464 represents an important milestone in Seiko's 1985 lineup. Powered by the 6390 caliber with 28j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-5fb705bd595a]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1985

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