Seiko Cal. 6690 - 321

This Quartz model from 1998 features a 35mm Gold-Plated case. With its 20mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-808499d6039a]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1998

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