Breitling · Chronomat 36

Strap for Chronomat Automatic 36 Victoria Beckham Yellow Gold / Midnight Blue

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width18 mm
Case diameter36 mm
ReferenceK103801A1C1K1
FamilyChronomat 36
MovementBreitling caliber 10 hours, minutes, seconds | date | chronometer
Year2024
CaseYellow Gold

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 36 K103801A1C1K1

Selected for the 18 mm lug width

All 18 mm straps →

The Chronomat 36 K103801A1C1K1, seen from the bench

The Breitling Chronomat 36 is equipped with the Caliber 10 with functions of hours, minutes, seconds, date and COSC chronometer certification. The case has a diameter of 36mm, an intermediate size in the Chronomat range. The movement offers the essential complications with the precision guaranteed by the COSC chronometer certification.

Frequently asked questions

What is the lug width of the Breitling Chronomat 36 K103801A1C1K1?

The Breitling Chronomat 36 K103801A1C1K1 features a lug width of 18 mm, measured internally between the two lugs at the point closest to the caseback. Any strap with an 18 mm attachment is dimensionally compatible, provided the strap end is sufficiently flexible to conform to the slight downward curvature of the original lugs.

What is the best strap for the Breitling Chronomat 36 in yellow gold?

For the yellow gold Chronomat 36, alligator straps with vegetable tanning in cognac or tobacco tones are particularly well-suited, as they develop a patina that complements the warmth of the gold. Hand-stained black calfskin or burgundy shell cordovan offer strong contrast and character. The lug width is 18 mm; a pre-curved strap end is recommended to match the lug geometry.

How do you change the strap on a Breitling Chronomat 36?

To replace the strap on the Chronomat 36, use a fine-tipped spring bar tool. Insert the tip into the lateral slot of the lug, compress the spring bar, and release one side at a time. Take care not to scratch the yellow gold case: it is advisable to protect the surfaces with low-tack masking tape during the procedure.

Is there an aftermarket strap compatible with the Breitling Chronomat 36 K103801A1C1K1?

Yes. Any aftermarket strap with an 18 mm attachment is dimensionally compatible with the Chronomat 36 K103801A1C1K1. Milano Straps offers a curated selection of handcrafted straps in various materials, available online in the 18 mm section. For specific curvature or material requirements, the Casati Milano atelier produces fully bespoke straps to order.

How long does a leather strap last on a Breitling Chronomat 36?

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, properly cared for and rotated regularly, can last between 3 and 7 years while retaining its structural and aesthetic integrity. Shell cordovan is among the most durable options. Avoid prolonged water exposure and apply a leather conditioner every six 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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only