Seiko Cal. 6639 - 315

The Seiko 6639-315 represents an important milestone in Seiko's 1989 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-b4d5eec4ba0a]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1989

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