Seiko Cal. 6680 - 835

Released in 1968, the Cal. 6680 with design code 835 was part of Seiko's domestic market collection. With its 20mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-1af2eef89cb0]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1968

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