Top Time B21 Ford Mustang
NB21251A1L1
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- 42 mm · Bronze
- Thickness
- 15.4 mm
- Water
- 100 m
- Bezel
- Fixed
- Calibre
- Breitling B21 (Manufacture La Joux-Perret) · 55 h
- Dial
- Green
- Bracelet
- Calfskin leather

General
- Model name
- Top Time B21 Ford Mustang
- Status
- In production
- Introduced
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Variants
| Code | Variant | Dial | Bracelet or strap | Price | Status |
|---|---|---|---|---|---|
| X1 | — (default) | Green | Leather (Calfskin leather), Brown racing-themed calfskin leather strap | US$51,500 | — |
Description
The Breitling Top Time B21 Ford Mustang NB21251A1L1 is a men's watch. It was introduced in 2023 and is in production. It has a 42 mm bronze case, 15.4 mm thick and water-resistant to 100 m. It has a green dial. It uses the automatic calibre Breitling B21 (Manufacture La Joux-Perret), with a 55-hour power reserve. Its functions include chronograph. It comes on a leather strap with a folding clasp.
Generated from the collected facts.
Price
From US$51,500 across 1 priced configuration, listed under Variants.
Closest by specs
From other collections and brands, ranked by recorded size, case metal, dial, bezel, water resistance, movement, bracelet, lume and power reserve.
Related references
- Siblings
- SB21251A1C1SB21252A1Q1
Provenance and history
| When (UTC) | Field | Change | By |
|---|---|---|---|
| 23 Oct 2026 15:45 | current_retail_amount | — → 51500 | Breitling |
| 23 Oct 2026 15:45 | caliber_id | — → 304 | Breitling |
| 23 Oct 2026 15:45 | year_introduced | — → 2023 | Breitling |
| 23 Oct 2026 15:45 | water_resistance_m | — → 100 | Breitling |
| 23 Oct 2026 15:45 |







