Technical Archive

Breitling
Top Time AB01768A1A1X1— lug 20mm

Breitling Top Time AB01768A1A1X1: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Top Time B01 Fausto Coppi

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Breitling AB01768A1A1X1
Lug Width
20 mm

The essential strap measurement.

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Reference

AB01768A1A1X1

Movement

Breitling caliber Caliber B01 ND Hours, Minutes, Small Seconds | Chronograph, Column wheel | Chronometer

The Heritage

The Breitling Top Time B01 Fausto Coppi (reference AB01768A1A1X1) is a modern reinterpretation of the legendary 1960s racing chronograph. The 41 mm stainless steel case features a bicolour dial with panda layout, applied indices, and SuperLuminova hands. The in-house caliber B01 ND is a manual-wind movement with column-wheel chronograph mechanism, 28,800 vph frequency, approximately 70-hour power reserve, and COSC certification. The lug width is 20 mm, with moderate curvature at the case attachment point, suitable for both flat-ended and micro-curved straps.

FAQ

What is the lug width of the Breitling Top Time AB01768A1A1X1?

The lug width of the Breitling Top Time AB01768A1A1X1 is 20mm. This measurement is taken between the two inner lugs at the narrowest point of the case, and it is the key parameter for selecting a compatible aftermarket strap.

What is the best strap for the Breitling Top Time AB01768A1A1X1?

The most suitable straps for the Top Time are: vegetable-tanned calfskin leather for a balanced vintage look, square-scale alligator for formal occasions, nylon NATO for everyday sporting wear, and vulcanised rubber for technical contexts. The choice depends on the intended use and the desired chromatic pairing with the white dial and black registers.

How do you change the strap on a Breitling Top Time AB01768A1A1X1?

The strap is replaced using a flat-tipped or lever-style spring bar tool, pressing on the spring bars located in the small holes on the sides of the lugs. It is advisable to work on a soft surface to protect the case. Standard 20mm spring bars are compatible with this model.

Are there aftermarket straps compatible with the Breitling Top Time AB01768A1A1X1?

Yes. Any strap with a 20mm attachment is technically compatible with the Top Time AB01768A1A1X1. Milanostraps.it offers handcrafted straps in various materials, made with precision-fitted ends to ensure a clean fit without stressing the steel lugs of the case.

How long does a leather strap last on a Breitling Top Time?

The lifespan of a leather strap depends on the material and frequency of use. A quality vegetable-tanned calfskin strap, worn daily, typically lasts 18 to 24 months before showing significant wear. Shell cordovan and alligator have denser fibres and tend to last longer, developing a patina over time that enhances the character of the piece. Casati Milano offers an 18-month warranty against manufacturing defects.