Seiko Cal. 6636 - 711

The Seiko 6636-711 represents an important milestone in Seiko's 1986 lineup. With its 20mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-2ba0f9af37cb]

Also known as: Turtle, UFO

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1986

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