Seiko Cal. 6620 - 824

Released in 1974, the Cal. 6620 with design code 824 was part of Seiko's domestic market collection. With its 18mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-69010ffa61be]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1974

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