Seiko Cal. 6642 - 628

The 6642-628 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6642 caliber with 19j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-f0ea5ced008a]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1966

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