Seiko Cal. 7129 - 731

The Seiko 7129-731 represents an important milestone in Seiko's 1973 lineup. With its 20mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-1e1cba9c07d3]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1973

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