Breitling · Navitimer

Strap for Navitimer 1 B01 Chronograph 43 Stainless Steel / Blue / 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
ReferenceAB0121211C1P3 (aka: AB012121-CA04-744P-A20D.1)
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 AB0121211C1P3 (aka: AB012121-CA04-744P-A20D.1)

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Navitimer AB0121211C1P3 (aka: AB012121-CA04-744P-A20D.1), seen from the bench

The Navitimer is powered by the Breitling B01 in-house caliber with column-wheel chronograph function and chronometer certification. The movement offers hour, minute, small second and date indication. 22mm lugs for the strap.

Frequently asked questions

What is the lug width of the Breitling Navitimer AB0121211C1P3?

The Breitling Navitimer AB0121211C1P3 has a lug width of 22mm. This measurement is taken between the case's cornetti at the strap attachment point and must be respected precisely to ensure correct fitment and a clean visual line at the wrist.

What is the best strap for the Breitling Navitimer AB0121211C1P3?

The ideal choice depends on the context. For everyday smart wear, a 22mm vegetable-tanned calfskin strap with a stainless steel pin buckle offers the most balanced result. For formal occasions, a matte-lacquered alligator strap adds refinement without competing with the busy dial. A technical nylon NATO is the correct option for sports or summer use, offering moisture resistance and easy interchangeability.

How do I change the strap on a Breitling Navitimer AB0121211C1P3?

Use a flat-tip spring bar tool or a watchmaker's screwdriver: slide the spring bar pin inward until it releases, then lift the strap free. Reassembly is the reverse process. Work on a soft surface to protect the case and always verify that both spring bar hooks are fully engaged before wearing the watch.

Are there aftermarket straps compatible with the Breitling Navitimer AB0121211C1P3?

Yes. Any strap with a 22mm attachment width is technically compatible. Milano Straps produces and retails handcrafted 22mm straps in calfskin, alligator, shell cordovan and NATO, available both bespoke and as ready-to-ship options. Ensure the strap length suits your wrist circumference and that the keeper profile does not interfere with the Navitimer's characteristic cornetti.

How long does a leather strap last on the Breitling Navitimer AB0121211C1P3?

A quality leather strap worn daily typically lasts between 18 and 36 months, depending on the leather type, maintenance and usage conditions. Vegetable-tanned leather develops a patina but is more sensitive to prolonged moisture; chrome-tanned leather is more durable but less prestigious. 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