Seiko Cal. 6660 - 649

Released in 1973, the Cal. 6660 with design code 649 was part of Seiko's domestic market collection. With its 21mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-35ca4bc9ca49]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1973

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