Seiko Cal. 6639 - 558

This Quartz model from 1985 features a 36mm Gold-Plated case. With its 19mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-52f76e07a509]

Also known as: Sportsmatic, Crown

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1985

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