Seiko Cal. 6636 - 539

The Seiko 6636-539 represents an important milestone in Seiko's 1994 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-a537ba3ee7fe]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1994

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