Seiko Cal. 7166 - 510

This Hand-Winding model from 1973 features a 44mm Titanium case. With its 18mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-728a4464ef19]

Also known as: Sumo, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1973

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