Seiko Cal. 6643 - 824

This Quartz model from 1980 features a 42mm Two-Tone case. With its 21mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-948cb1b150fe]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1980

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