Seiko Cal. 6688 - 405

Released in 1976, the Cal. 6688 with design code 405 was part of Seiko's domestic market collection. With its 22mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-7ece655abcbe]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1976

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