Strap for Khaki Navy Scuba Auto Stainless Steel / Blue / Rubber

The lug width of the Hamilton Khaki Navy H82345341 is exactly 20mm (measured from inside to inside). This measurement is the essential parameter for identifying compatible straps: even a minor error will compromise proper fitment. To verify accurately, position a ruler parallel to the lug shoulders, measured perpendicularly to the case sides.

There is no universal choice, but rather three excellent options depending on usage: for formal elegance, alligator with vegetable tanning or brown shell cordovan; for military authenticity, a NATO in cotton or nylon khaki; for daily practicality, grey or black FKM rubber. The choice depends on balancing personal aesthetics with the context in which you wear the watch.

Remove the watch and flip the case over. You will use a spring bar removal tool to compress the spring bars (springbars) located beneath the lugs. Once compressed, the old strap disengages. For installation of the new strap, align the lug ends on the case and click the spring bars into place: the strap should be firm, with no lateral play.

Yes, provided the lug width is precisely 20mm. Any artisanal strap constructed to this specific width will be compatible. We also recommend checking the strap thickness at the lug insertion point, as some vintage or bespoke straps may have slightly different tolerances compared to original Hamilton specifications.

A quality artisanal leather strap (alligator with vegetable tanning or shell cordovan) typically lasts 8–15 years with daily wear, provided it receives regular maintenance: avoid stagnant water, dry after accidental moisture contact, apply specific balms every 2–3 years. Rubber or NATO straps maintain structural integrity longer, up to 20+ years, with degradation primarily aesthetic.