Seiko Cal. 7143 - 320

The Seiko 7143-320 represents an important milestone in Seiko's 1977 lineup. With its 19mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-16b7d04848cf]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1977

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