Seiko Cal. 6399 - 400

The Seiko 6399-400 represents an important milestone in Seiko's 1988 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-b776178fbe32]

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1988

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