Strap for Da Vinci Perpetual Yellow Gold / White / English

The lug width (misura ansa) of the IWC Da Vinci IW3750-03 is 19mm. This measurement is taken from inner lug to inner lug, excluding the thickness of the spring bars. To verify that your specimen maintains the original measurement after extended use, we recommend measuring two different lugs (at 12 o'clock and 6 o'clock) as microscopic wear on yellow gold can cause minor variations over time.

Alligator leather with fine grain (Porosus) in dark brown or black represents the natural choice, as the subtle texture does not compete visually with the golden mass. Alternatively, Hermès-grade calf in tobacco or cognac, or Horween shell cordovan in deep red. We discourage polished formal black, which creates dissonance with the warm tonality of 18k gold. Vegetable-tanned leather is recommended for those desiring an evolving patina over time.

The Da Vinci strap is changed using a spring bar tool (a thin steel lever). Position the watch face-down on a soft cloth to prevent scratches. Insert the tip of the spring bar tool into the lateral indentation of the spring bar, push gently downward to compress the spring and release the upper end. Repeat on the opposite side. When applying the new strap, ensure the spring bar sits firmly in its seat without forcing: if the new strap is stiffer, wait a few minutes for the material to soften slightly before fully closing.

Yes, absolutely. The IW3750-03 uses standard 19mm spring bars, compatible with any artisanal strap of the same lug width. A high-quality aftermarket strap (alligator, vegetable-tanned leather, shell cordovan) can offer personalisation impossible with original IWC straps, adapting better to your daily lifestyle. We recommend choosing specialist manufacturers that guarantee precision in measurements and constructive details.

A natural leather strap of high constructive quality (Porosus alligator, vegetable-tanned calf, shell cordovan) typically lasts 3-5 years of regular daily use. Durability depends on numerous factors: frequency of use, exposure to perspiration and humidity, periodic maintenance care and initial tanning quality. An alligator strap tends to last longer (4-6 years) than calf (3-4 years). Shell cordovan, if properly maintained, can last 6-8 years. Vegetable-tanned leather, evolving naturally, shows aging more visually but maintains structural integrity longer. Slight maintenance with specific creams every 6 months significantly extends useful life.