Seiko Cal. 6639 - 292

The Seiko 6639-292 represents an important milestone in Seiko's 1988 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-c089a0ec86e0]

Also known as: Silverwave, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1988

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