Seiko Cal. 6663 - 985

The Seiko 6663-985 represents an important milestone in Seiko's 1966 lineup. With its 21mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-f75ab7558f98]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1966

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