Seiko Cal. 6642 - 878

The 6642-878 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6642 caliber with 33j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-a075bd76711c]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1977

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