Strap for 1858 Manual Small Second Stainless Steel / Blue / Mesh

The lug width of the Montblanc 1858 114958 is precisely 22mm. This measurement refers to the space between the two lateral lugs where the watch strap is inserted. Do not confuse it with the case diameter, which is 44mm. To verify compatibility, measure the distance between the lugs with a calliper: it must read exactly 22mm.

There is no single "best" strap, but rather the most suitable choice depending on usage. For a timepiece of this technical calibre, we recommend vegetable-tanned leather on martellato calf, which develops a patina over time that complements the satin-brushed steel case. Genuine alligator represents the pinnacle of refinement, whilst vulcanised rubber straps are ideal for intensive water use or extreme conditions. Military-grade canvas NATO straps reinforce its Alpine tool heritage.

Changing the strap on a watch with straight lugs (like the 114958) is straightforward: position the watch on a strap-changing tool, locate the small holes in the lateral lugs, insert the specialised tool and push outward to extract the spring bars. Replace the strap by aligning the holes and reinsert the bars until you hear the click of engagement. Avoid using a hammer: the spring bars lock under pressure alone, not impact.

Absolutely. High-quality aftermarket straps with 22mm lug width are fully compatible. Montblanc applies no technical restrictions. The only precaution is to choose suppliers that guarantee precise manufacturing tolerances: spring bars must insert without forcing, otherwise you risk damaging the lugs. Milano Straps offers 22mm straps specifically engineered for this model.

Durability depends on the tanning quality and usage patterns. A vegetable-tanned strap of good quality, with calf leather at least 1.4mm thick, withstands 3-5 years of regular daily wear. Vegetable-tanned leather develops a patina that increases its resilience over time: surface grain cracks are normal, but the strap remains functional. Chrome-tanned leather tends to fail more abruptly. We recommend alternating between two straps to extend the lifespan of both.