Breitling · Chronomat 32

Strap for Chronomat 32 Stainless Steel - Red Gold / MOP / Rouleaux

Takes 16 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width16 mm
Case diameter32 mm
ReferenceU77310101A2U1
FamilyChronomat 32
MovementBreitling caliber Caliber 77 Hours, Minutes, Seconds | Date | Chronometer
CaseMother of Pearl | Red Gold, Stainless 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 Chronomat 32 U77310101A2U1

Selected for the 16 mm lug width

All 16 mm straps →

The Chronomat 32 U77310101A2U1, seen from the bench

The Breitling Chronomat 32 U77310101A2U1 is a 32 mm red gold and stainless steel sports watch designed for the female wrist. It features a mother-of-pearl dial, red gold bezel with riders tabs, and a Breitling Caliber 77 movement certified chronometer by COSC with ±6/-4 seconds daily tolerance. The watch has a 16 mm lug width and screw-down crown, maintaining the iconic design heritage of the Chronomat line since 1984.

Frequently asked questions

What is the lug width of the Breitling Chronomat 32 U77310101A2U1?

The Breitling Chronomat 32 U77310101A2U1 features a 16 mm lug width. This measurement is specific to the 32 mm version and is not shared with larger Chronomat references (38 or 41 mm), which use different attachment widths. Always verify the lug width with a millimetre calliper placed between the two lugs before purchasing a replacement strap.

What is the best strap for the Breitling Chronomat 32 U77310101A2U1?

For the Chronomat 32 U77310101A2U1 in red gold and mother-of-pearl, a vegetable-tanned alligator strap in bordeaux or mid-brown tabac is the most coherent choice given the case materials. Hand-polished smooth calfskin is a more understated yet equally refined alternative. For daily wear, shell cordovan develops a patina over time that complements the warmth of the red gold.

How do you change the strap on the Breitling Chronomat 32 U77310101A2U1?

Strap replacement on the Chronomat 32 uses standard 16 mm spring bars. Use a spring bar tool to lever the bar without scratching the red gold or steel lugs. No specialist watchmaker tools are required, but it is advisable to work on a soft surface with good lighting to avoid marking the case.

Are there aftermarket straps compatible with the Breitling Chronomat 32 U77310101A2U1?

Yes. Any strap with a 16 mm attachment and standard spring bars is compatible with the Breitling Chronomat 32 U77310101A2U1. Milano Straps offers a curated selection of artisan straps in this width, available online or bespoke through the Casati Milano atelier, where the leather and finishes are chosen in person. A recommended length for a female wrist is typically 105/65 mm.

How long does a leather strap last on a Breitling Chronomat 32?

Strap longevity depends on leather type, frequency of wear, and exposure to moisture and perspiration. A quality vegetable-tanned alligator strap, properly maintained and kept away from humidity, can last between 3 and 7 years, developing a natural patina that improves with age. Shell cordovan and premium calfskin offer comparable durability. Milano Straps provides an 18-month guarantee against manufacturing defects on all artisan 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