Seiko Cal. 6646 - 189

The Seiko 6646-189 represents an important milestone in Seiko's 1972 lineup. With its 20mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-301d6083f372]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1972

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