Seiko Cal. 6684 - 836

Released in 1983, the Cal. 6684 with design code 836 was part of Seiko's domestic market collection. With its 19mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-49cd78aea2cc]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1983

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