Breitling · Top Time

Strap for Top Time B01 Ford Thunderbird / Calf

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
ReferenceAB01766A1A1X1
FamilyTop Time
MovementBreitling caliber B01 ND hours, minutes, small seconds | Chronograph, column wheel | chronometer
Year2023
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 AB01766A1A1X1

Selected for the 20 mm lug width

All 20 mm straps →

The Top Time AB01766A1A1X1, seen from the bench

The Breitling Top Time B01 Ford Thunderbird AB01766A1A1X1 is a modern reissue of the iconic 1960s chronograph, featuring the in-house B01 movement with 47 jewels, 28,800 vph, and 70-hour power reserve. The 41mm stainless steel case houses a column wheel chronograph with vertical clutch, bicolor dial with clear counters, and thin bezel, all delivering 100m water resistance and COSC chronometer certification. The 20mm lug width ensures broad strap compatibility across leather, rubber, and exotic materials.

Frequently asked questions

What is the lug width of the Breitling Top Time AB01766A1A1X1?

The lug width of the Breitling Top Time AB01766A1A1X1 is 20 mm. This measurement can be verified using a digital calliper placed between the two lugs at the point of contact with the strap, and is confirmed in Breitling's official technical documentation.

What is the best strap for the Breitling Top Time AB01766A1A1X1?

The most suitable straps for the Breitling Top Time AB01766A1A1X1 include alligator leather in matte or glossy finish for a formal register, grained calf leather for everyday wear, vulcanised rubber for maximum water resistance, or NATO nylon to reference the watch's original 1960s aviation spirit. The ideal choice depends on the intended context and the chromatic combination with the dial.

How do you change the strap on a Breitling Top Time AB01766A1A1X1?

The strap on the Breitling Top Time AB01766A1A1X1 is secured by standard 20 mm spring bars. To remove it, use a dedicated spring bar tool or a flat-head screwdriver to disengage the bar from its lug slot. The operation can be performed at home with care or entrusted to a watchmaker or to the Casati Milano atelier.

Are there aftermarket straps compatible with the Breitling Top Time AB01766A1A1X1?

Yes, any strap with a 20 mm lug width is compatible with the Breitling Top Time AB01766A1A1X1. MilanoStraps offers a curated selection of handcrafted aftermarket straps in leather, rubber, and NATO nylon, with bespoke finishing options. Compatibility is ensured by the standard 20 mm spring bar sizing.

How long does a leather strap last on a Breitling Top Time AB01766A1A1X1?

The lifespan of a leather strap depends on material quality and usage. A high-grade alligator or shell cordovan strap, maintained regularly with appropriate conditioning products, can last between three and seven years while developing a distinguished patina. Frequent exposure to perspiration or water shortens the service life considerably; in such cases, rotating between straps or choosing a rubber alternative is advisable.

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