Strap for Khaki Tachymiler

The lug width of the Hamilton Khaki Aviation H71726213 is 22mm. This dimension allows the use of any standard strap mounted on 22mm lugs, guaranteeing full compatibility without the need for proprietary adapters.

For this aeronautical chronograph we recommend a heavy-weight cotton NATO for historical authenticity, or vegetable-tanned calf leather if you prefer refinement and patina development. Rubber is ideal for continuous tactical use. All are available in 22mm size.

Use a spring bar tool to gently remove the metal lugs from the case horns. Insert the new strap by passing the lugs through the designated holes, then secure the lugs again with a slight rotatory motion until they click into position. Avoid sharp blows that could damage the case.

Yes. Hamilton does not employ proprietary attachments, so any quality strap conforming to 22mm lugs will fit perfectly. Always verify that the strap is mounted on standard 22mm lugs and that the material thickness allows smooth passage through the case horns.

A quality leather strap, if maintained with regular cleaning and periodic rest, lasts from 3 to 5 years of daily use on a heavy instrument like this 55mm chronograph. Durability depends on tanning method, protective treatment, and intensity of use.