Seiko Cal. 6684 - 905

Released in 1974, the Cal. 6684 with design code 905 was part of Seiko's domestic market collection. With its 20mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-fde9da5b96ad]

Also known as: Monster, Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1974

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