Seiko Cal. 6636 - 413

The Seiko 6636-413 represents an important milestone in Seiko's 1999 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-b9115fbf565f]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1999

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