Strap for PRX Quartz Stainless Steel / Silver

The lug width of the Tissot PRX T137.410.11.031.00 is 12 mm. This measurement is specific to the PRX model and results directly from the geometry of the ultra-thin integrated case. To verify it, position the watch on a flat surface and use a digital calliper to measure the internal distance between the two lugs: the result should be between 11.9 and 12.1 mm. It is essential not to confuse this measurement with the strap width itself, which should be approximately 0.5-1 mm narrower.

The ideal strap for the Tissot PRX T137.410.11.031.00 depends on intended use and desired aesthetics. Black or brown alligator intensifies the formal nature of the squared case; vegetable-tanned calf creates natural patina and soft feel; NATO strap in Cordura fabric offers casual versatility and waterproofness; FKM rubber strap guarantees resistance to environmental agents. The choice should consider the dial (dark blue favours black alligator, white favours havana brown) and context of use (formal, sports, daily).

Changing the strap on the Tissot PRX T137.410.11.031.00 involves removing the spring bars that connect the strap to the case. Position the watch on a soft support (to avoid scratches), use a spring bar tool or small flat screwdriver, and gently push towards the case centre to release the spring bar. Remove the bar from one side, then repeat from the other. Insert the new 12mm strap by aligning the holes, and reinsert the spring bars until they click into place. Verify that the strap is firmly secured before wearing the watch.

Yes, the Tissot PRX T137.410.11.031.00 is fully compatible with quality aftermarket 12mm straps from specialised manufacturers. It is essential to verify that the strap is slightly narrower than the nominal measurement (approximately 11.5 mm actual width) to ensure smooth insertion into the lugs. Alligator, vegetable-tanned calf, ostrich leather, NATO fabric, and FKM rubber straps are all verified options. Ensure that the spring bars are the correct length (typically 12-12.5 mm) and that the strap fixing holes are perfectly aligned with the case lugs.

The longevity of a leather strap on the Tissot PRX T137.410.11.031.00 varies depending on the type of tanning, frequency of use, and environmental conditions. A quality alligator strap (vegetable or tannic-tanned) can last 5-7 years with moderate daily use, developing an appreciable aged patina. Aniline calf lasts 3-5 years before requiring maintenance or replacement. Longevity increases significantly with ostrich leather (up to 8-10 years) due to its more resistant natural structure. To extend durability, avoid prolonged direct UV exposure, excessive moisture, and use in corrosive environments (chlorine, sea salt). Periodic maintenance with hydrophobic creams specific to the tanning type significantly extends useful life.