Seiko Cal. 5680 - 143

The Seiko 5680-143 represents an important milestone in Seiko's 1982 lineup. Powered by the 5680 caliber with 20j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-e02a9833f45d]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1982

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