Seiko Cal. 6663 - 189

Released in 1989, the Cal. 6663 with design code 189 was part of Seiko's domestic market collection. With its 19mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-2dd5990def84]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1989

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