IWC · Da Vinci

Strap for Da Vinci Perpetual Red Gold / Black / English

Takes 19 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

19mm
Lug width19 mm
Case diameter39 mm
ReferenceIW3750-25 (aka: 3750-25, IW375025)
FamilyDa Vinci
MovementIWC caliber 79261 hours, minutes, small seconds | date, day, month, perpetual calendar, year indicator | Chronograph
Year1985 - 2003
CaseRed Gold

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Da Vinci IW3750-25 (aka: 3750-25, IW375025)

Selected for the 19 mm lug width

All 19 mm straps →

The Da Vinci IW3750-25 (aka: 3750-25, IW375025), seen from the bench

The IWC Da Vinci IW3750-25 is a 18-karat rose gold watch with a 39 mm case diameter and 19 mm lug width, featuring the IWC calibre 79261 automatic movement. This model incorporates a perpetual calendar, integrated chronograph, year indicator, and small seconds display. The case presents a water-resistant design rated to 30 metres, suitable for daily wear and protection from splashes and light rain. The lug width of 19 mm is specifically proportioned to maintain balance between the 39 mm case diameter and wrist comfort.

Frequently asked questions

What is the exact lug width of the IWC Da Vinci IW3750-25?

The lug width of the IWC Da Vinci IW3750-25 is 19 millimetres. This measurement is taken by positioning a digital calliper from the inner edge of one lug to the inner edge of the opposite lug, ensuring perfect strap accommodation without lateral play or stress.

Which strap material is recommended for the Da Vinci IW3750-25 in rose gold?

For a Da Vinci in rose gold, Nile alligator represents the most sophisticated choice, as its natural grain perfectly complements the metal's lustre without visual competition. Shell cordovan offers a fascinating alternative with a wax-like patina that evolves with time. Vegetable-tanned leather provides more pronounced texture for those seeking less formality.

How do I change the strap on my IWC Da Vinci IW3750-25?

Strap replacement involves removing the spring bars that secure the strap to the lugs. Using a dedicated spring bar tool, apply controlled pressure to these lateral bars until they extract. The new 19mm strap then aligns into the same lugs, and the bars are reinserted and secured. We recommend professional assistance to prevent case scratching.

Can I use a quality aftermarket strap on an IWC Da Vinci watch?

Absolutely. A high-quality aftermarket strap in alligator, cordovan or leather with exact 19mm lug width ensures the same aesthetic and functional standard as an original strap. Mechanical compatibility depends solely on correct lug width and lug conformity, not the manufacturer.

How long does a natural leather strap last on a daily-worn watch?

A natural leather strap, if properly maintained, typically lasts between 3 to 5 years of continuous daily wear. Humidity, sun exposure, wearing frequency and tanning method all influence longevity. Vegetable-tanned leather tends to age aesthetically better than other processes, developing rich patina. Our straps carry an 18-month guarantee covering manufacturing defects.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only