Seiko Cal. 7143 - 731

The Seiko 7143-731 represents an important milestone in Seiko's 1976 lineup. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-64e08bac6e22]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1976

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