Seiko Cal. 6643 - 819

This Quartz model from 1979 features a 46mm PVD Black case. With its 19mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-b395c567e3ec]

Also known as: UFO, Rally

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1979

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