Seiko Cal. 6663 - 195

The Seiko 6663-195 represents an important milestone in Seiko's 1975 lineup. With its 19mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-a9b13c439e27]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1975

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