Seiko Cal. 6390 - 645

The Seiko 6390-645 represents an important milestone in Seiko's 1985 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-cac7512902e8]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1985

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