Technical Archive

Breitling
Chronomat 36 A103801A1L1A1— lug 20mm

Breitling Chronomat 36 A103801A1L1A1: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Chronomat Automatic 36 Victoria Beckham Stainless Steel / Peppermint

Artisanal Note

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

Technical Specifications

Breitling A103801A1L1A1
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

A103801A1L1A1

Movement

Breitling caliber Caliber 10 Hours, Minutes, Seconds | Date | Chronometer

The Heritage

The Breitling Chronomat 36 features the automatic Caliber 10 chronometer-certified movement with hours, minutes, seconds and date display. The 36mm case diameter represents a more compact version of the Chronomat collection. The movement offers certified chronometric functions with a traditional three-hand display.

FAQ

What is the lug width of the Breitling Chronomat 36 A103801A1L1A1?

The lug width of the Breitling Chronomat 36 A103801A1L1A1 is 20mm. This measurement is taken with a digital calliper between the two lugs of the case, at the point where the strap attaches. Any standard 20mm strap is compatible with this reference.

What is the best strap for the Breitling Chronomat 36 A103801A1L1A1?

For the stainless steel Breitling Chronomat 36 A103801A1L1A1, a vegetable-tanned alligator strap offers the most elegant and durable option, developing a distinctive patina over time. Smooth calfskin suits daily wear, whilst ballistic NATO and vulcanised rubber are well-suited to sporting use. The ideal choice depends on the intended context and personal aesthetic.

How do you change the strap on the Breitling Chronomat 36 A103801A1L1A1?

To change the strap on the Breitling Chronomat 36 A103801A1L1A1, you will need a fine-tipped spring bar tool. Insert the tip into the lug slot beside the spring bar, compress the bar to release it, and remove the strap. Care must be taken to avoid scratching the case; if in doubt, it is advisable to consult a qualified watchmaker.

Are there aftermarket straps compatible with the Breitling Chronomat 36 A103801A1L1A1?

Yes, any standard 20mm strap is compatible with the Breitling Chronomat 36 A103801A1L1A1. The aftermarket offers a wide range of options including handcrafted leather, NATO, rubber, and metal bracelets. Milano Straps provides a curated selection of artisanal 20mm straps with carefully selected materials and finishes suited to this Breitling reference.

How long does a leather strap last on the Breitling Chronomat 36 A103801A1L1A1?

The lifespan of a leather strap on the Breitling Chronomat 36 A103801A1L1A1 depends on the quality of the leather, the tanning process, and usage habits. A high-quality vegetable-tanned alligator strap, properly maintained — avoiding prolonged water exposure and occasionally applying a leather conditioner — can last between 3 and 7 years whilst retaining structural integrity. A vegetable-tanned calfskin strap typically lasts 2 to 4 years with daily wear.