Seiko Cal. 6613 - 493

The Seiko 6613-493 represents an important milestone in Seiko's 1968 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-de1716acd421]

Also known as: Helmet, Navigator

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1968

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