Technical Archive

Breitling
Premier LB21201A1C1P1— lug 20mm

Breitling Premier LB21201A1C1P1: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Premier Heritage B21 Chronograph Tourbillon Bucherer Exclusive

Artisanal Note

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

Technical Specifications

Breitling LB21201A1C1P1
Lug Width
20 mm

The essential strap measurement.

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Reference

LB21201A1C1P1

Movement

Breitling caliber Caliber B21 Hours, Minutes, Small Seconds | Chronograph, Column wheel | Chronometer, Tourbillon Escapement

The Heritage

The Breitling Premier features the B21 caliber with column-wheel chronograph function and tourbillon escapement. The movement offers indication of hours, minutes, small seconds and certified chronometric function. The case presents premium material finishing with an integrated closure system.

FAQ

What is the lug width of the Breitling Premier LB21201A1C1P1?

The lug width of the Breitling Premier LB21201A1C1P1 is 20mm. This measurement refers to the internal distance between the two lugs of the case, which determines compatibility with any aftermarket strap. To verify it independently, a digital calliper placed between the inner surfaces of the lugs will provide an accurate reading.

What is the best strap for the Breitling Premier LB21201A1C1P1?

For this platinum-cased reference with tourbillon, a vegetable-tanned alligator strap represents the most stylistically coherent choice. The natural grain of the alligator complements the texture of the platinum case, and the patina that develops over time adds character without compromising the dress watch formality of the piece. Shell cordovan is an equally refined alternative, offering a flatter profile and an almost mirror-like surface, ideal beneath a shirt cuff.

How do you change the strap on a Breitling Premier LB21201A1C1P1?

Strap replacement is carried out via the spring bars that connect the strap to the case lugs. Using a dedicated spring bar tool or a forked lever, compress the spring bar on one side until it releases from the lug, then repeat on the other side. Given the platinum case, care should be taken to avoid scratching: plastic protectors or a soft cloth placed around the lugs during the operation are strongly recommended.

Are there aftermarket straps compatible with the Breitling Premier LB21201A1C1P1?

Yes, any strap with a 20mm lug width is compatible with the Breitling Premier LB21201A1C1P1, provided the spring bars are of an appropriate diameter for the lug slots. Milano Straps offers a curated selection of handcrafted 20mm straps — in alligator, calf leather and shell cordovan — designed with proportions and finishes suited to watches of this calibre.

How long does a leather strap last on the Breitling Premier LB21201A1C1P1?

The lifespan of a leather strap depends on the quality of the hide, frequency of use, and maintenance habits. A high-quality vegetable-tanned alligator strap, worn in rotation with other straps and protected from direct moisture, can last between 3 and 7 years while retaining structural and aesthetic integrity. Vegetable-tanned leather develops a distinctive patina over time that enhances its appearance, unlike synthetic tanning processes which tend to degrade uniformly.