Strap for Day-Date 36 Everose Gold / Fluted / Rose-Diamond / President

The lug width of the Rolex Day-Date 36 128235-0009 is 20 millimetres. Measure by placing a digital calliper between the outer lugs, from the upper part of the case. This parameter is critical: a strap incompatible with this dimension will not fit into the lugs and the watch will not be wearable. Do not confuse the width of the case lugs (20mm) with the width of the original strap, which has a different geometry due to curvature.

Genuine alligator is the reference choice because the natural fibres oxidise in the same way as rose gold over time, creating complementary patina. Coarse grain textures (60–65 millimetres) maintain formal authority. Alternatively, vegetable-tanned calf (thickness 1.4–1.6 millimetres) is sophisticated and durable. Shell cordovan offers declared longevity and tight texture. Avoid synthetic materials or too-fine weaves, which cannot support the weight of rose gold.

Strap replacement requires a specific tool (spring bar remover) and skilled hands. Position the watch on a soft cushion with the lug side facing upwards. Insert the spring bar remover into the small lateral slot of the lug and gently press to release the spring pins. The procedure requires patience because Rolex has very tight manufacturing tolerances. We recommend entrusting this operation to a specialised laboratory to avoid damage to the case.

Yes, provided the strap is manufactured with a 20-millimetre lug width and the case lugs conform to Rolex specifications. High-quality bespoke straps (such as those from Casati Milano or MilanoStraps) are manufactured to order and tested for compatibility. Importantly, the strap must feature a deployant clasp (not a simple buckle) because the weight of rose gold requires an ergonomic closure that distributes forces correctly on the wrist.

A genuine alligator strap with vegetable tanning can last 4–6 years if worn daily and subjected to regular maintenance (cleaning with a soft damp cloth, protection from moisture and heat). Shell cordovan tends to be more durable (6–8 years). Calf is the most delicate material and requires careful handling, with an estimated lifespan of 3–4 years. Critical factors are environmental humidity, frequency of wear and protection from perspiration. An 18-month warranty on manufacturing defects is standard from specialised laboratories.