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B Navitimer 01 Chronograph 46 mm – Ref. AB012721‑BD09‑441X‑A20BA.1
  • B Navitimer 01 Chronograph 46 mm – Ref. AB012721‑BD09‑441X‑A20BA.1
  • B Navitimer 01 Chronograph 46 mm – Ref. AB012721‑BD09‑441X‑A20BA.1
  • B Navitimer 01 Chronograph 46 mm – Ref. AB012721‑BD09‑441X‑A20BA.1
  • B Navitimer 01 Chronograph 46 mm – Ref. AB012721‑BD09‑441X‑A20BA.1
  • B Navitimer 01 Chronograph 46 mm – Ref. AB012721‑BD09‑441X‑A20BA.1
  • B Navitimer 01 Chronograph 46 mm – Ref. AB012721‑BD09‑441X‑A20BA.1
  • B Navitimer 01 Chronograph 46 mm – Ref. AB012721‑BD09‑441X‑A20BA.1
  • B Navitimer 01 Chronograph 46 mm – Ref. AB012721‑BD09‑441X‑A20BA.1
  • B Navitimer 01 Chronograph 46 mm – Ref. AB012721‑BD09‑441X‑A20BA.1
  • B Navitimer 01 Chronograph 46 mm – Ref. AB012721‑BD09‑441X‑A20BA.1
  • B Navitimer 01 Chronograph 46 mm – Ref. AB012721‑BD09‑441X‑A20BA.1
  • B Navitimer 01 Chronograph 46 mm – Ref. AB012721‑BD09‑441X‑A20BA.1
  • B Navitimer 01 Chronograph 46 mm – Ref. AB012721‑BD09‑441X‑A20BA.1
  • B Navitimer 01 Chronograph 46 mm – Ref. AB012721‑BD09‑441X‑A20BA.1
B Navitimer 01 Chronograph 46 mm – Ref. AB012721‑BD09‑441X‑A20BA.1
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🕰️ B Navitimer 01 Chronograph 46mm – Ref. AB012721-BD09-441X-A20BA.1

Precision, Heritage, and Presence

The B Navitimer 01 Chronograph 46mm is a commanding timepiece that embodies aviation heritage and mechanical excellence. Its 46 mm stainless steel case exudes boldness, making a powerful statement on the wrist while paying tribute to one of the most iconic pilot watches in history.

💎 Dial & Design

  • Dial: Black with contrasting silver chronograph subdials for exceptional readability

  • Bezel: Signature bi-directional slide rule, originally designed for in-flight calculations

  • Hands: Red-tipped central chronograph hand enhances legibility and dynamic flair

  • Date Display: Integrated discreetly on the dial for practical use

⚙️ Movement

  • Caliber: B Manufacture Caliber B01 – in-house automatic

  • Certification: COSC chronometer-certified

  • Mechanics: Column wheel and vertical clutch for precision chronograph operation

  • Power Reserve: ~70 hours

  • Frequency & Jewels: 28,800 vph (4 Hz) with 47 jewels

🔗 Strap & Case

  • Strap: Black alligator leather with folding clasp for secure comfort

  • Caseback: Transparent sapphire showcasing the intricate movement

  • Thickness: 14.5 mm

  • Water Resistance: 30 m / 3 ATM

📋 Key Specifications

Feature Details
Reference AB012721-BD09-441X-A20BA.1
Case 46 mm Stainless Steel
Dial Black with silver chronograph subdials
Crystal Sapphire, glare-proofed both sides
Movement B Manufacture Caliber B01 – Automatic, COSC-certified
Power Reserve ~70 hours
Chronograph ¼ sec, 30-min, 12-hr counters
Date Yes
Strap Black alligator leather, folding clasp
Water Resistance 30 m / 3 ATM
Thickness 14.5 mm

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