Seiko Cal. 6646 - 967

The Seiko 6646-967 represents an important milestone in Seiko's 1979 lineup. With its 20mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-73b367618ef9]

Also known as: Helmet, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1979

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