Seiko Cal. 6390 - 404

The Seiko 6390-404 represents an important milestone in Seiko's 1992 lineup. Powered by the 6390 caliber with 25j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-c40ee1953c5a]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

36mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1992

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