Technical Archive

Breitling
Top Time A233111A1C1X1— lug 20mm

Breitling Top Time A233111A1C1X1: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Premier Top Time Triumph Owners Edition

Artisanal Note

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

Technical Specifications

Breitling A233111A1C1X1
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

A233111A1C1X1

Movement

Breitling caliber Caliber 23 Hours, Minutes, Small Seconds | Date | Chronograph

The Heritage

The Breitling Top Time A233111A1C1X1 is a 42mm stainless steel chronograph rooted in 1960s aviation heritage. Powered by the Breitling Caliber 23 automatic movement, it features a white dial with contrasting subdials, applied steel indices, and a tachymetric bezel. The 20mm lug width accommodates standard straps, with curved lug shoulders that benefit from shaped strap ends. Water-resistant and equipped with a sapphire caseback, this instrument-focused timepiece combines functional design with refined steel finishing.

FAQ

What is the lug width of the Breitling Top Time A233111A1C1X1?

The lug width of the Breitling Top Time A233111A1C1X1 is 20mm. This measurement should be taken with a digital calliper directly between the two lugs, at the point where they meet the case, to obtain the precise net dimension and ensure full compatibility with any replacement strap.

What is the best strap for the Breitling Top Time A233111A1C1X1?

For the Breitling Top Time A233111A1C1X1, with its white dial and 42mm stainless steel case, the most suitable options are: alligator in black or tobacco brown for a formal-sporting register, shell cordovan in bordeaux or cognac for a rich patina that develops over time, ballistic nylon NATO in grey or navy blue for an aeronautical profile, or vulcanised rubber for intensive sporting use. Vegetable-tanned leathers offer superior craftsmanship and longevity compared to chrome-tanned alternatives.

How do you change the strap on a Breitling Top Time A233111A1C1X1?

The strap on the Breitling Top Time A233111A1C1X1 is removed using a fine-tipped springbar tool, inserted into the lug hole to compress the spring bar ends. With gentle inward pressure, the bar releases and the strap slides free. It is advisable to work on a soft surface to protect the case from scratches, and to use a professional springbar tool to avoid damaging the lug shoulders.

Are there aftermarket straps compatible with the Breitling Top Time A233111A1C1X1?

Yes, any standard 20mm strap is compatible with the lugs of the Breitling Top Time A233111A1C1X1. Milanostraps.it offers a curated selection of handcrafted straps in various materials — leather, alligator, shell cordovan, NATO and rubber — made to ensure a precise fit with the Breitling case geometry. The Casati Milano atelier also produces fully bespoke straps, with the strap end contoured to match the specific lug profile.

How long does a leather strap last on a Breitling Top Time A233111A1C1X1?

A quality vegetable-tanned leather strap on the Breitling Top Time A233111A1C1X1 typically lasts 2 to 4 years with daily wear, depending on exposure to perspiration, water, and heat. Shell cordovan or high-grade alligator straps, when properly maintained, can last considerably longer, developing a patina that enhances their character over time. Casati Milano straps carry an 18-month warranty against manufacturing defects.