Seiko Cal. 6642 - 999

The 6642-999 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6642 caliber with 30j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-be6a43845e30]

Also known as: Tuna, Rally

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1992

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