Seiko Cal. 6613 - 593

The Seiko 6613-593 represents an important milestone in Seiko's 1981 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-0e97ddd73c15]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1981

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