Seiko Cal. 6688 - 704

Released in 1999, the Cal. 6688 with design code 704 was part of Seiko's domestic market collection. With its 22mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-f3ff1286ac57]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1999

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