Seiko Cal. 5613 - 597

The Seiko 5613-597 represents an important milestone in Seiko's 1976 lineup. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-aac26a5d5365]

Also known as: UFO, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1976

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