Breitling · Chronomat 32

Strap for Chronomat 32 Stainless Steel / Pink - Diamond / 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
ReferenceA77310101K1A1
FamilyChronomat 32
MovementBreitling caliber 77 hours, minutes, seconds | date | chronometer
Year2022
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 Chronomat 32 A77310101K1A1

Selected for the 16 mm lug width

All 16 mm straps →

The Chronomat 32 A77310101K1A1, seen from the bench

The Breitling Chronomat 32 (ref. A77310101K1A1) originates from the 1984 pilot chronograph designed for the Frecce Tricolori aerobatic team. This 32mm stainless steel case model maintains the Chronomat's technical heritage with polished and satin surfaces, characteristic rider tab bezel, and applied indices dial. The movement is a Breitling Caliber 77 quartz with hours, minutes, seconds, date display, COSC-certified as a chronometer with ±0.07 seconds/day precision. Lug width is 16mm, requiring a straight-end strap for proper Breitling attachment geometry.

Frequently asked questions

What is the lug width of the Breitling Chronomat 32 A77310101K1A1?

The Breitling Chronomat 32 reference A77310101K1A1 has a lug width of 16 mm. This measurement refers to the internal distance between the case lugs at the strap attachment point and determines the correct strap width to purchase.

What is the best strap for the Breitling Chronomat 32 A77310101K1A1?

For the stainless steel Chronomat 32, an alligator strap with vegetable tanning is the most coherent choice, complementing the watch's dual sporting and refined character. For sport or daily use, vulcanised rubber or smooth calf leather are equally valid options. All straps must have a straight 16 mm attachment end.

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

Replacing the strap on the Chronomat 32 requires a spring bar tool to remove the spring bars securing the strap to the 16 mm lugs. It is advisable to use a watchmaker or experienced strap fitter to avoid scratching the stainless steel case. The replacement strap must have a straight 16 mm attachment.

Are there aftermarket straps compatible with the Breitling Chronomat 32 A77310101K1A1?

Yes, a wide range of aftermarket straps is compatible with the Chronomat 32, provided they feature a 16 mm straight-end attachment. Milano Straps offers a curated selection of handcrafted leather, rubber and nylon straps specifically sized for this reference, with finishes suited to the Breitling stainless steel case.

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

The lifespan of a leather strap depends on the material, frequency of wear and exposure to perspiration and moisture. A quality alligator strap with vegetable tanning, worn with care and rotated with other straps, can last between three and five years while retaining its shape and developing a distinctive patina. Casati Milano straps include 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