Seiko Cal. 6690 - 313

The Seiko 6690-313 represents an important milestone in Seiko's 1991 lineup. With its 21mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-c03fe1b311cc]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1991

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