Seiko Cal. 7143 - 738

The Seiko 7143-738 represents an important milestone in Seiko's 1985 lineup. With its 20mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-dc3eab0be0ae]

Also known as: Sumo, Silverwave

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1985

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