Seiko Cal. 7143 - 231

The Seiko 7143-231 represents an important milestone in Seiko's 1999 lineup. It features a Black dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-98ced70cd8fd]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1999

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