Seiko Cal. 6621 - 678

Released in 1969, the Cal. 6621 with design code 678 was part of Seiko's domestic market collection. With its 20mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-877ff2fe05d6]

Also known as: Silverwave, Flighty

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1969

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