Seiko Cal. 6661 - 665

The Seiko 6661-665 represents an important milestone in Seiko's 1985 lineup. With its 22mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-f4081b8f6742]

Also known as: UFO, Arnie

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1985

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