Seiko Cal. 6688 - 851

The 6688-851 is a sought-after Automatic piece from Seiko's golden era. With its 18mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-2aafbd529001]

Also known as: Sumo, Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1976

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