Seiko Cal. 6663 - 767

The Seiko 6663-767 represents an important milestone in Seiko's 1998 lineup. With its 21mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-d142a7b385e5]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1998

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