Seiko Cal. 6641 - 622

The Seiko 6641-622 represents an important milestone in Seiko's 1968 lineup. With its 19mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-906728eecf69]

Also known as: Bullhead, Flighty

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1968

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