Seiko Cal. 6638 - 332

The 6638-332 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6638 caliber with 34j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-43aa60e9dbbc]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1984

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