Strap for HydroConquest 47.5 Chronograph Quartz Stainless Steel / Black / Bracelet

The lug width is 24mm. This measurement is specific to the L3.843.4.56.6 model and results from the proportioning between the case diameter (47.50mm) and the ergonomic structure of the diver. It is incompatible with standard 22mm or 20mm straps: always verify by measuring the attachment holes on the case.

Three materials are optimal. Alligator leather with vegetable tanning offers balance between aesthetics and humidity resistance, developing natural patina over time. Shell cordovan provides structural thickness and increasing depth of tone over years. FKM rubber and NATO fabric are ideal for those seeking pure functionality and ease of maintenance in underwater or highly humid environments.

Obtain a quality spring bar tool. Insert the tip into the narrow slot between the lug and old strap, gently lift until the spring releases, extract the strap. Repeat on the other side. Align the new strap holes with the springs: they will click into position when the tool tip is centred. Verify the strap is secured on both sides before wearing the watch.

Yes, with the specification of 24mm lug width. Any artisanal strap with 24mm attachments is compatible, regardless of brand. Milano Straps offers a complete collection of leather, rubber and fabric straps in the correct dimensions, with personalisation options (initials, stitching thread, size) and consultation from Casati Milano for custom fitting.

A quality leather strap (alligator, calf, cordovan) lasts between 3 and 5 years with daily wear. Variables: climate (summer humidity reduces longevity), frequency of exposure to fresh or salt water, wearer's body weight (increases fibre stress). Shell cordovan, by structural density, tends to exceed this threshold. Periodic maintenance (gentle cleaning, application of natural conditioner) significantly extends useful life.