Seiko Cal. 6344 - 143

The Seiko 6344-143 represents an important milestone in Seiko's 1966 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-92f02bff5eed]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1966

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