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Strap for IWC Pilot IW3718-07

The Pilot's Watch Double Chronograph Le Petit Prince takes 17 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

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  • 12-month warranty on manufacturing defects
  • Hand-stitched in Milan

Lug width

17mm
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Lug width17 mm
Case diameter44 mm
ReferenceIW3718-07 (aka: 3718-07, IW371807)
FamilyPilot
MovementIWC caliber 79420 Hours, Minutes, Small seconds | Date, Day | Chronograph, Rattrapante
Year2015 - 2016
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

Standard spring bar · length 17 mm · Ø 1.8 mm double flange

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Pilot's Watch Double Chronograph Le Petit Prince — watch

What length do I need?

Measure your wrist with a tailor's tape or a piece of string, comfortably snug.

Wrist circumferenceLength (long side / short side)
15.0–16.4 cm120 / 70 mm
16.5–17.8 cm125 / 75 mm
17.9–19.0 cm130 / 80 mm
19.1–20.3 cm135 / 85 mm
20.4–21.6 cm140 / 85 mm
21.7–22.9 cm145 / 90 mm

The ready-to-wear strap is 115 × 75 mm. For a smaller or larger wrist I make it in the right length: order your length.

What I'm asked about the IWC Pilot IW3718-07

What strap size does the IWC Pilot IW3718-07 take?

The IWC Pilot IW3718-07 needs 17 mm between the lugs. It's the size I've been fitting on it for years.

Can the strap on the IWC Pilot IW3718-07 be changed?

Yes. It has spring bars between the lugs: with the right tool the strap comes off in a minute. If you'd rather not risk a scratch, I do it in the workshop.

Can I put a leather strap on the IWC Pilot IW3718-07?

Yes, in 17 mm leather. On a 44 mm chronograph I like box calf: it holds its shape and carries a substantial case.

Which strap do you recommend for the IWC Pilot IW3718-07?

A 17 mm box calf. I don't keep this size ready in the catalogue: I make it to measure. If you'd rather have something built on your wrist, the Casati atelier.

For changing the strap

Classic Strap and Bracelet Removal Tooltwo-tip spring bar tool→Milano Straps Premium Swiss Standard Watch Bucklestang buckle, steel or PVD→Leather Conditioner Milano Strapsnourishes and protects the strap→Casati Milano Rectangular Epsom Leather Travel Case — Brownfor the watch and spare straps→

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

Bespoke straps for IWC, in the atelier or by video call: casatimilano.com

Updated on · by Antonio Zichichi