Breitling · Navitimer

Strap for Navitimer Rattrapante Stainless Steel / Panamerican Bronze / Croco / Folding

Takes 24 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width24 mm
Case diameter45 mm
ReferenceAB031021/Q615/755P/A20D.1
FamilyNavitimer
MovementBreitling caliber B03 hours, minutes, small seconds | date | Chronograph, column wheel, Rattrapante | chronometer
Year2017
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

Straps for the Navitimer AB031021/Q615/755P/A20D.1

Selected for the 24 mm lug width · workshop selection

All 24 mm straps →

The Navitimer AB031021/Q615/755P/A20D.1, seen from the bench

The Navitimer represents one of Breitling's benchmark chronographs, introduced in the 1950s for civil aviation. It is powered by the automatic B03 caliber with split-seconds chronograph, column-wheel and chronometer certification. The lugs measure 24mm in width.

Frequently asked questions

What is the lug width of the Breitling Navitimer AB031021/Q615/755P/A20D.1?

The lug width of the Breitling Navitimer AB031021/Q615/755P/A20D.1 is 24mm. This measurement is standard for the 45mm Navitimer case and must be matched precisely to ensure correct fitment and balanced visual proportions.

What is the best strap for the Breitling Navitimer AB031021/Q615/755P/A20D.1?

For the Navitimer AB031021/Q615/755P/A20D.1, the most suitable materials are hornback alligator for formal wear, vegetable-tanned calf leather for a characterful patina over time, and ballistic nylon NATO or vulcanised rubber for sport use. The ideal choice depends on context and personal aesthetic preference.

How do you change the strap on the Breitling Navitimer AB031021/Q615/755P/A20D.1?

The strap is removed using a spring bar tool inserted into the lateral slot of the lug. Press the spring bar inward until it releases from the lug hole. Care should be taken to avoid scratching the case: it is advisable to protect polished surfaces with masking tape during the operation.

Are there aftermarket straps compatible with the Breitling Navitimer AB031021/Q615/755P/A20D.1?

Yes. Any strap with a 24mm lug width and standard spring bars is compatible with the Navitimer AB031021/Q615/755P/A20D.1. Milanostraps.it offers a curated selection of handcrafted 24mm straps in premium leathers with customisable finishes.

How long does a leather strap last on a Breitling Navitimer?

The lifespan of a leather strap depends on material quality and maintenance. A high-quality alligator or calf leather strap, kept away from excessive moisture and treated periodically with a conditioning cream, can last between 3 and 5 years with daily wear. Casati Milano straps carry an 18-month warranty against 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