Breitling Top Time B21 Ford Mustang – NB21251A1L1X1. This striking timepiece fuses automotive heritage with haute horology: housed in a 43 mm bronze case, the Top Time B21 Ford Mustang features a bold racing green dial with contrasting “squircle” subdials inspired by vintage dashboard gauges. A fixed bezel, screw-in sapphire caseback, and calfskin leather racing strap complete the aesthetic. At its heart, the watch runs on the Breitling B21 manufacture movement—an automatic chronograph tourbillon with ~55 hours of power reserve, 30 jewels, and a column-wheel chronograph function. With water resistance rated at 10 bars (100 m / 330 ft) and a total thickness of 15.4 mm, it’s built to perform under pressure. More than just a watch, the NB21251A1L1X1 celebrates the legacy of the 1960s Ford Mustang, combining bold materials, classic racing cues, and sophisticated mechanics to appeal to both watch collectors and car aficionados.
Additional information
| Brand | Breitling |
|---|---|
| Reference No. | NB21251A1L1X1 |
| Movement | Automatic |
| Case Material | Rose gold |
| Case Diameter | 43 mm |
| Water Resistance | 10 ATM |
| Dial | Green |
| Year of Production | 2024 |
| Condition | New |
| Scope of Delivery | Original box, original papers |










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