Seiko Cal. 6642 - 329

The 6642-329 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6642 caliber with 28j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-41aab18056af]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1974

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