Technical Archive

Breguet
Classique 7147BR/29/9WU— lug 18mm

Breguet Classique 7147BR/29/9WU: 18mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Classique 7147 Rose Gold / Grand Feu Enamel

Artisanal Note

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

Technical Specifications

Breguet 7147BR/29/9WU
Lug Width
18 mm

The essential strap measurement.

Browse 18mm straps →
Reference

7147BR/29/9WU

Movement

Breguet caliber 502.3SD Hours, Minutes, Small Seconds

The Heritage

The Breguet Classique 7147BR/29/9WU is a 40mm rose gold case timepiece representing Geneva-Paris haute horlogerie tradition. It features the characteristic sunburst guilloché dial worked on a rose engine, pomme hands in blued steel, and Arabic numerals precisely engraved in Breguet's distinctive style. The automatic Breguet caliber 502.3SD movement offers over 45 hours of power reserve, 28,800 vibrations per hour, and displays hours, minutes, and small seconds. The lug width measures 18mm and is specifically sized for this reference model, best verified with a digital caliper at the case lugs.

FAQ

What is the lug width of the Breguet Classique 7147BR/29/9WU?

The Breguet Classique 7147BR/29/9WU is fitted with an 18mm lug width. To verify this precisely, measure with a digital caliper the internal distance between the two lugs of the case, in direct contact with the metal, without considering any tapering of the original strap.

What is the best strap for the Breguet Classique 7147BR/29/9WU?

For the Classique 7147BR/29/9WU in rose gold, an alligator belly or hornback strap in natural grain is the most coherent choice with the watch's manufacturing register. The scale texture visually complements the guilloché work of the dial. Polished brown or black box-calf represents a formal alternative of great elegance and durability.

How do you change the strap on the Breguet Classique 7147BR/29/9WU?

The 7147BR/29/9WU strap is replaced via standard lugs with a spring bar system. A dedicated lug wrench or a watchmaker's lever tool is sufficient to remove the spring bar, extract the worn strap and insert the new one. To avoid scratches on the rose gold lugs, it is recommended to contact a watchmaker or one of our technicians at the Casati Milano atelier.

Are there aftermarket straps compatible with the Breguet Classique 7147BR/29/9WU?

Yes. Any strap with 18mm lugs is compatible with the Breguet Classique 7147BR/29/9WU, provided that the spring bar has the correct diameter for the Breguet lugs. On Milano Straps you will find a selection of artisanal 18mm straps in various materials, made with quality standards appropriate for a timepiece in this category.

How long does a leather strap last on a Breguet Classique 7147BR/29/9WU?

The lifespan of a leather strap depends on the quality of the leather, frequency of use and exposure to moisture and sweat. A first-quality alligator strap, with proper maintenance, typically lasts between 3 and 5 years. Casati Milano straps are covered by an 18-month warranty against manufacturing defects and are made with leathers selected to ensure resistance and patina development over time.

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