Seiko Cal. 7143 - 590

The Seiko 7143-590 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-3a77b0eb9ac0]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1981

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