Seiko Cal. 6643 - 306

This Quartz model from 1992 features a 37mm Two-Tone case. With its 18mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-1b6f481e5bf8]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1992

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