Seiko Cal. 6642 - 923

The 6642-923 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6642 caliber with 35j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-e78651817c2c]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1986

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