Seiko Cal. 6643 - 142

Released in 1996, the Cal. 6643 with design code 142 was part of Seiko's domestic market collection. With its 18mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-8cab7ccf08ef]

Also known as: UFO, Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1996

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