Seiko Cal. 6638 - 902

The 6638-902 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-0941dd67b619]

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1966

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