Breitling · Top Time

Strap for Premier Top Time Limited Edition

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter41 mm
ReferenceA23310121G1X1
FamilyTop Time
MovementBreitling caliber 23 hours, minutes, small seconds | date | Chronograph
Year2020
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Top Time A23310121G1X1

Selected for the 20 mm lug width

All 20 mm straps →

The Top Time A23310121G1X1, seen from the bench

The Top Time is a Breitling chronograph equipped with caliber 23 offering hours, minutes, small seconds, date and chronograph functions. The model features 20mm lugs and maintains the distinctive design of the brand's Top Time collection.

Frequently asked questions

What is the lug width of the Breitling Top Time A23310121G1X1?

The Breitling Top Time A23310121G1X1 has a lug width of 20mm. This measurement refers to the internal distance between the two lugs at their narrowest point. It is a widely standardised size that offers a broad range of compatible aftermarket straps.

What is the best strap for the Breitling Top Time A23310121G1X1?

The answer depends on intended use and aesthetic preference. Vegetable-tanned calfskin is the most versatile option for daily wear, developing a natural patina over time and pairing well with any dial colour. Alligator leather suits semi-formal settings. A nylon NATO strap reinforces the model's original sporting vocation. Vulcanised rubber is recommended for aquatic or outdoor use.

How do I change the strap on a Breitling Top Time A23310121G1X1?

To replace the strap, you will need 20mm spring bars and a spring bar tool with a forked or pointed tip. Compress the spring bar pins to release them from the lug holes, remove the original strap, and fit the new one using correctly sized 20mm spring bars. The process takes only a few minutes and poses no risk to the case if carried out with the proper tools.

Are there aftermarket straps compatible with the Breitling Top Time A23310121G1X1?

Yes. The 20mm lug width of the Breitling Top Time A23310121G1X1 is compatible with any standard 20mm aftermarket strap using conventional spring bars. Milanostraps.it offers a curated selection of handcrafted straps in calfskin, alligator, shell cordovan, NATO, and rubber, all compatible with this reference.

How long does a leather strap last on a Breitling Top Time A23310121G1X1?

A quality leather strap worn daily on a Breitling Top Time will typically last between 18 and 36 months. Longevity depends on frequency of use, perspiration exposure, and whether the strap is rotated with others. Shell cordovan and vegetable-tanned calfskin tend to outlast synthetically tanned leathers, owing to their denser fibre structure and superior moisture resistance.

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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Casati Milano · Via XX Settembre 15, Milan · by appointment only