Seiko Cal. 6633 - 768

Released in 1971, the Cal. 6633 with design code 768 was part of Seiko's domestic market collection. With its 20mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-e0004ad64df1]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1971

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