Seiko Cal. 6688 - 766

The Seiko 6688-766 represents an important milestone in Seiko's 1966 lineup. With its 20mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-fe83dba9896b]

Also known as: Monster, Crown

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1966

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