Seiko Cal. 6649 - 673

The Seiko 6649-673 represents an important milestone in Seiko's 1969 lineup. With its 22mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-8e465e92a89c]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1969

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