Seiko Cal. 5643 - 348

The Seiko 5643-348 represents an important milestone in Seiko's 1968 lineup. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-f9fbb44cbcf8]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1968

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