Strap for Rectangular Date 25 Stainless Steel / Silver - Arabic

The lug width is exactly 18mm. This dimension is determined by the fixed pins located at both ends of the case. A compatible strap must have its extremities (loops or lugs) precisely 18mm to fit correctly into the case holes. Do not confuse the total strap width with the lug width: the strap may be wider at the centre, but the extremities must respect this exact dimension.

The choice depends on usage and personal aesthetic. For formal elegance, genuine alligator offers regular texture and a patina that ages nobly. For daily versatility, vegetable-tanned calf develops unique chromatic depth over time. For sporty practicality, ballistic canvas NATO or butadiene rubber guarantee durability without continuous maintenance. Oris, in its constructive philosophy, functions with any of these materials, but the choice communicates different visual identity.

The Rectangular uses straight pins or screw lugs at both case ends. With a spring bar removal tool, gently insert the tip into the lateral slot of the pin, lift slightly to release spring tension, and slide the pin out of the old strap's loops. Reverse the procedure with the new strap, ensuring the lug is correctly oriented and the pin is fully inserted. Verify there are no gaps between case and strap.

Yes, provided the lug width is exactly 18mm. A quality aftermarket strap—artisanal leather, structured NATO, extruded rubber—guarantees complete technical compatibility. Quality markers: vegetable-tanned leather, satin finished underside (not synthetic gloss), consistent thickness, regular stitching. MilanoStraps supplies certified 18mm straps for this watch category, with personalisation options and choice of fastening systems (buckle, deployant).

Duration depends on material, tanning method, frequency of use, and environmental exposure. A vegetable-tanned calf strap, used daily, resists 3–5 years before replacement, but develops a desired patina. Alligator, being denser, can last 5–7 years. Continuous exposure to moisture, salt water, and UV accelerates degradation. Regular maintenance—avoiding rain, drying after accidental contact, conditioning the leather every 6–8 months with natural oils—significantly extends lifespan and amplifies the patina's beauty.