Seiko Cal. 6635 - 649

The Seiko 6635-649 represents an important milestone in Seiko's 1994 lineup. With its 21mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-2814e6a81ae5]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1994

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