Seiko Cal. 5612 - 313

The Seiko 5612-313 represents an important milestone in Seiko's 1965 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-cdc3f04e1793]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1965

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