Seiko Cal. 6680 - 690

Released in 1989, the Cal. 6680 with design code 690 was part of Seiko's domestic market collection. With its 22mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-251ba49af483]

Also known as: Bullhead, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1989

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