Seiko Cal. 6661 - 847

Released in 1970, the Cal. 6661 with design code 847 was part of Seiko's domestic market collection. With its 18mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-ded1654bc2ce]

Also known as: Sumo, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1970

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