Breitling · Navitimer

Strap for Navitimer 1 B01 Chronograph 43 Stainless Steel / Black / Croco / Folding

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter43 mm
ReferenceAB0121211B1P2
FamilyNavitimer
MovementBreitling caliber B01 hours, minutes, small seconds | date | Chronograph, column wheel | chronometer
Year2018
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 AB0121211B1P2

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Navitimer AB0121211B1P2, seen from the bench

The Navitimer represents one of Breitling's historic models, developed in the 1950s as an instrument for civil aviation. It mounts the automatic B01 in-house caliber with a column-wheel chronograph function and chronometer certification. The lugs measure 22mm in width.

Frequently asked questions

What is the lug width of the Breitling Navitimer AB0121211B1P2?

The lug width of the Breitling Navitimer AB0121211B1P2 is 22mm. This measurement refers to the internal distance between the case lugs and is the key parameter for selecting a compatible strap. The taper towards the buckle end typically narrows to 20mm or 18mm depending on the strap chosen.

What is the best strap for the Breitling Navitimer AB0121211B1P2?

For the Navitimer AB0121211B1P2 with its black dial, the most suitable straps are: vegetable-tanned Tuscan calf leather with a perforated rally finish, evoking vintage aviation aesthetics; caiman alligator in tobacco or havana for a more formal register; NATO nylon in RAF colours for maximum coherence with the watch's aeronautical identity. Tan or tobacco tones pair particularly well with the white sub-dial counters.

How do you change the strap on a Breitling Navitimer AB0121211B1P2?

To replace the strap on the Navitimer AB0121211B1P2, a double-ended spring bar tool is required. Insert the tool tip into the lug hole to compress the spring bar ends, slide the strap outward, and reverse the process for fitting. It is advisable to work on a soft surface to avoid scratching the case. If in doubt, any watchmaker can perform the operation in a matter of minutes.

Are there aftermarket straps compatible with the Breitling Navitimer AB0121211B1P2?

Yes, any strap with a 22mm lug width and standard spring bars is technically compatible with the Navitimer AB0121211B1P2. On milanostraps.it you will find a curated selection of handcrafted 22mm straps suitable for this case: Tuscan calf, alligator, cordovan and NATO. It is important to verify that the strap ends are straight to fit correctly within the Navitimer's lugs.

How long does a leather strap last on a Breitling Navitimer AB0121211B1P2?

The lifespan of a leather strap depends on frequency of use, exposure to perspiration and water, and the quality of the leather. A quality vegetable-tanned calf strap with moderate daily use typically lasts between 18 and 36 months. Alligator or cordovan straps, due to the density of their fibre structure, tend to last considerably longer. Avoiding prolonged contact with water and sweat significantly extends strap life. Milano Straps offers an 18-month guarantee 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