Technical Archive

Breguet
Classique Complications 7637BR/2N/9ZU— lug 18mm

Breguet Classique Complications 7637BR/2N/9ZU: 18mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Classique Minute Repeater 7637 Rose Gold / Black Enamel

Artisanal Note

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

Technical Specifications

Breguet 7637BR/2N/9ZU
Lug Width
18 mm

The essential strap measurement.

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Reference

7637BR/2N/9ZU

Movement

Breguet caliber 567/2 Hours, Minutes, Small Seconds, Additional 24 Hour Hand (fixed) | Minute Repeater

The Heritage

The Classique Complications reference 7637BR/2N/9ZU is equipped with the Breguet 567/2 caliber with hours, minutes, small seconds and a fixed 24-hour hand function. The watch features a minute repeater complication activated on demand. The movement showcases the traditional Breguet manufacture with the brand's characteristic finishes.

FAQ

What is the lug width of the Breguet Classique Complications 7637BR/2N/9ZU?

The Breguet Classique Complications 7637BR/2N/9ZU is fitted with 18 mm lugs. This measurement should be taken with a digital caliper in the narrowest area between the two lugs, where they contact the case. The measurement at the keeper is generally 16 mm, but it is advisable to verify it on the original strap before ordering a replacement.

What is the best strap for the Breguet Classique Complications 7637BR/2N/9ZU?

For the rose gold case and ivory guilloché dial of the 7637BR/2N/9ZU, the most suitable strap is alligator crocodile with a polished finish in bordeaux, cognac or tobacco tones. Semi-gloss box calf is an excellent alternative for a more contemporary look. Both materials harmonize with Breguet's haute horlogerie aesthetic without overwhelming it.

How do you change the strap on the Breguet Classique Complications 7637BR/2N/9ZU?

Strap replacement requires a dedicated springbar tool to remove the spring bars that secure the strap to the lugs. On a watch of this complexity and value, it is recommended to entrust the procedure to a watchmaker or specialized atelier such as Casati Milano, to avoid scratches on the rose gold case during the procedure.

Are there aftermarket straps compatible with the Breguet 7637BR/2N/9ZU?

Yes, any strap with an 18 mm lug width is technically compatible with the Breguet 7637BR/2N/9ZU. Milano Straps offers a selection of artisanal 18mm straps in leather, alligator and other materials, crafted to the same quality standards required by a timepiece in this category. Casati Milano also produces custom straps with personal leather selection.

How long does a leather strap last on a Breguet Classique Complications?

The lifespan of a leather strap depends on the quality of the tanning, maintenance, and intensity of use. A high-quality alligator or calf strap, kept away from excessive moisture and sweat, can last 2 to 5 years while maintaining an optimal appearance. The patina that develops over time on quality leather is considered an aesthetic merit, not a defect. Casati Milano offers an 18-month warranty on 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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By appointment only · Milan

The atelier's website: casatimilano.com