Technical Archive

Breguet
Classique 5327BB/1E/BV0— lug 18mm

Breguet Classique 5327BB/1E/BV0: 18mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Classique 5327 White Gold / Silver / Bracelet

Artisanal Note

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

Technical Specifications

Breguet 5327BB/1E/BV0
Lug Width
18 mm

The essential strap measurement.

Browse 18mm straps →
Reference

5327BB/1E/BV0

Movement

Breguet caliber 502.3 DRP1 Hours, Minutes, Small Seconds | Date, Day, Leap Year, Month, Perpetual Calendar | Moonphase | Power Reserve Indicator

The Heritage

The Breguet Classique 5327BB/1E/BV0 is a perpetual calendar watch with 39mm white gold case and manual-wind Breguet 502.3 DRP1 caliber movement. The dial features hand-engraved guilloché grains d'orge pattern with blued steel hands, Roman numerals, and complications including day, date, month, leap year indication and moonphase. The movement displays Geneva stripes and gold bridges. Lug width is 18mm, proportioned for formal wear without overstating the wrist, supporting structured leather straps.

FAQ

What is the lug width of the Breguet Classique 5327BB/1E/BV0?

The lug width of the Breguet Classique 5327BB/1E/BV0 is 18mm. This is the internal distance between the two lugs of the case, which is the correct strap width to be mounted at the attachment point.

What is the best strap for the Breguet Classique 5327BB/1E/BV0?

For this white gold model with guilloché dial, the most suitable strap is Louisiana alligator with hornback or square grain, polished finish, in midnight blue or anthracite grey. Alternatively, smooth and polished box calf leather offers an impeccable formal appearance with a patina that improves over time.

How do you change the strap on a Breguet Classique 5327BB/1E/BV0?

The strap is removed using a spring bar tool that disengages the spring bars inserted into the 18mm lugs. This operation requires precision to avoid scratching the white gold case: it is recommended to entrust it to a watchmaker or have it performed at an atelier by qualified personnel.

Are there aftermarket straps compatible with the Breguet Classique 5327BB/1E/BV0?

Yes. Any strap with an 18mm lug width is technically compatible with the Breguet Classique 5327BB/1E/BV0. Milano Straps offers a selection of artisanal 18mm straps in various materials and colors, crafted with finishes appropriate to the level of the timepiece.

How long does a leather strap last on a Breguet Classique 5327BB/1E/BV0?

Durability depends on the material and usage. A quality alligator strap, with regular maintenance and rotation with other straps, maintains structural and aesthetic integrity for 3-5 years. Box calf leather tends to develop characteristic patina in the early years; replacement is considered when wear appears on the stitching or lining. 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