Technical Archive

Breitling
Top Time AB01766A1A1X1— lug 20mm

Breitling Top Time AB01766A1A1X1: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Top Time B01 Ford Thunderbird / Calf

Artisanal Note

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

Technical Specifications

Breitling AB01766A1A1X1
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

AB01766A1A1X1

Movement

Breitling caliber Caliber B01 ND Hours, Minutes, Small Seconds | Chronograph, Column wheel | Chronometer

The Heritage

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.

FAQ

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. Milano Straps 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.