Home B Navitimer 1 Chronograph Ref# AB0121211B1X2
B Navitimer 1 Chronograph Ref# AB0121211B1X2
B Navitimer 1 Chronograph Ref# AB0121211B1X2

B Navitimer 1 Chronograph Ref# AB0121211B1X2

Regular price $1,528.00 Sale price $430.00
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B Navitimer 1 Chronograph Ref# AB0121211B1X2

B Navitimer 1 Chronograph Ref# AB0121211B1X2

$430.00

🕰️ B Navitimer 1 B01 Chronograph 43 – Ref. AB0121211B1X2 (Leather Strap)

Aviation Heritage Meets Modern Precision

The B Navitimer 1 B01 Chronograph 43 stands as a modern icon in aviation-inspired watchmaking. Housed in a 43 mm polished stainless steel case, this chronograph balances bold wrist presence with timeless craftsmanship, embodying both technical excellence and refined style.


💎 Dial & Design

  • Dial: Black sunburst with three contrasting silver chronograph subdials for exceptional legibility

  • Bezel: Iconic bi-directional slide rule, functional for navigation and calculations

  • Hands & Markers: Luminous baton hour markers and hands, red-tipped central chronograph hand for a striking focal point

  • Date: Display between 4 and 5 o’clock


⚙️ Movement

  • Caliber: B Manufacture Caliber B01, in-house automatic movement

  • Certification: COSC chronometer-certified

  • Power Reserve: ~70 hours

  • Mechanics: Column-wheel chronograph and vertical clutch

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


🔗 Strap & Case

  • Strap: Black calfskin leather with folding clasp for secure and comfortable wear

  • Caseback: Sapphire exhibition for a clear view of the finely finished movement

  • Thickness: ~14.2 mm

  • Water Resistance: 30 m / 3 ATM


📋 Key Specifications

Feature Details
Reference AB0121211B1X2
Case 43 mm Stainless Steel
Thickness ~14.2 mm
Dial Black sunburst with silver subdials
Bezel Bi-directional slide rule
Movement Caliber B01 – Automatic, COSC-certified
Power Reserve ~70 hours
Chronograph Central red hand, 30-min counter, 12-hr counter
Date Between 4 and 5 o’clock
Strap Black calfskin leather
Water Resistance 30 m / 3 ATM

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