Seiko Cal. 6664 - 227

The Seiko 6664-227 represents an important milestone in Seiko's 1966 lineup. With its 20mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-0029ad7182c5]

Also known as: UFO, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1966

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