Seiko Cal. 5613 - 371

The Seiko 5613-371 represents an important milestone in Seiko's 1982 lineup. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-45c35b929ff7]

Also known as: UFO, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1982

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