Seiko Cal. 6636 - 426

The Seiko 6636-426 represents an important milestone in Seiko's 1998 lineup. With its 21mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-0cc753153fbe]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

40mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1998

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