Seiko Cal. 6399 - 390

The Seiko 6399-390 represents an important milestone in Seiko's 1977 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-04218360b537]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1977

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