Seiko Cal. 6646 - 298

The Seiko 6646-298 represents an important milestone in Seiko's 1978 lineup. With its 20mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-ab0648e44b84]

Also known as: UFO, Navigator

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1978

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