Technical Archive

Breitling
Chronomat 36 R10380101A1R1— lug 18mm

Breitling Chronomat 36 R10380101A1R1: 18mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Chronomat Automatic 36 Red Gold / White / Rouleaux

Artisanal Note

"This model requires a precise 18mm lug width to preserve the original sartorial balance."

Technical Specifications

Breitling R10380101A1R1
Lug Width
18 mm

The essential strap measurement.

Browse 18mm straps →
Reference

R10380101A1R1

Movement

Breitling caliber Caliber 10 Hours, Minutes, Seconds | Date | Chronometer

The Heritage

The Breitling Chronomat 36 Red Gold (ref. R10380101A1R1) is powered by the Breitling Caliber 10 COSC-certified movement with hours, minutes, seconds, and date functions, ensuring precision of ±4 seconds per day. The 36mm case in 18-carat red gold features the iconic rider tabs at 3-6-9-12 positions, a bidirectional rideaux bezel, and a Rouleaux bracelet with triple rounded links, with an 18mm lug width requiring appropriately shaped strap ends for proper fit.

FAQ

What is the lug width of the Breitling Chronomat 36 R10380101A1R1?

The Breitling Chronomat 36 reference R10380101A1R1 features an 18mm lug width. This measurement should be taken with a digital calliper on the inner side of the lugs, at the base of the case, to ensure accurate compatibility with aftermarket straps.

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

For the Chronomat 36 in red gold, an alligator strap with vegetable tanning is the most coherent choice given the watch's luxury register. Bordeaux, cognac or bottle green tones complement the warm chromatic temperature of red gold. Shell cordovan is an excellent alternative for those who prefer a compact, uniform surface. In either case, a red gold deployant clasp completes the pairing perfectly.

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

To replace the strap on the Breitling Chronomat 36, use a fine-tipped springbar tool inserted into the dedicated lateral slots on the lugs to release the spring bars. It is advisable to work on a soft surface to avoid scratching the red gold case. If in doubt, entrust the operation to a professional watchmaker or the Casati Milano atelier.

Are there aftermarket straps compatible with the Breitling Chronomat 36 R10380101A1R1?

Yes, a wide range of aftermarket straps are compatible with the Breitling Chronomat 36, which takes an 18mm lug width. Milanostraps.it offers a curated selection of artisan straps in leather, rubber and technical materials, all made for this specific width. For bespoke commissions, the Casati Milano atelier offers a fully tailored service.

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

The lifespan of a leather strap depends on the material and frequency of wear. A quality vegetable-tanned alligator strap, with proper care, can last between three and five years of regular use. Shell cordovan tends to show greater resistance to surface wear. Prolonged contact with water and perspiration should be avoided, as both accelerate the deterioration of the leather fibres.