Breitling · Chronomat 32
Strap for Chronomat 32 Red Gold / White / Rouleaux
Takes 16 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Chronomat 32 R77310101A1R1
Selected for the 16 mm lug width
The Chronomat 32 R77310101A1R1, seen from the bench
Frequently asked questions
What is the lug width of the Breitling Chronomat 32 R77310101A1R1?
The lug width of the Breitling Chronomat 32 R77310101A1R1 is 16mm. This is a less common size compared to standard 18mm or 20mm formats, so it is essential to verify this specification before purchasing an aftermarket strap. It is recommended to measure directly with a digital calliper between the case lugs to confirm the size.
What is the best strap for the Breitling Chronomat 32 in red gold?
For the Chronomat 32 in red gold, the most suitable materials are vegetable-tanned alligator — for maximum elegance — and natural-patina calfskin for everyday wear. Bordeaux, cognac, and navy blue are the colours that best complement the warm reflections of 18-carat red gold. For sporting contexts, a quality vulcanised rubber strap with a gold deployant clasp is the most coherent alternative.
How do you change the strap on a Breitling Chronomat 32?
To replace the strap on the Breitling Chronomat 32, a spring bar tool is required. The 16mm lugs house standard spring bars: insert the tool tip into the lateral notch of the lug, compress the spring bar and slide the strap out. Care must be taken not to scratch the red gold case — it is advisable to protect the case with soft adhesive tape or to entrust the operation to a qualified watchmaker.
Are there aftermarket straps compatible with the Breitling Chronomat 32 R77310101A1R1?
Yes. Aftermarket straps with a 16mm lug width are compatible with the Breitling Chronomat 32 R77310101A1R1, provided they respect the 16mm attachment width and feature a straight or slightly curved end suited to the lug geometry. Milano Straps offers a selection of handcrafted compatible straps, with the option of bespoke work through the Casati Milano atelier.
How long does a leather strap last on a Breitling Chronomat 32?
The lifespan of a leather strap depends on the material, care, and intensity of use. A quality vegetable-tanned alligator strap, used in rotation and protected from moisture, can last between 3 and 7 years while maintaining good structural integrity. Calfskin tends to develop a patina more quickly but is more sensitive to perspiration. Shell cordovan is the most durable due to its dense fibre structure. The Casati Milano guarantee covers manufacturing defects for 18 months.
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.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only

