Seiko Cal. 6643 - 957

This Quartz model from 1980 features a 46mm PVD Black case. With its 19mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-341d983db9b4]

Also known as: Panda, Sea Horse

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1980

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