B Navitimer 1 Chronograph Ref# AB0121211B1X2
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B Navitimer 1 Chronograph Ref# AB0121211B1X2
🕰️ 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
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Dial: Black sunburst with three contrasting silver chronograph subdials for exceptional legibility
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Bezel: Iconic bi-directional slide rule, functional for navigation and calculations
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Hands & Markers: Luminous baton hour markers and hands, red-tipped central chronograph hand for a striking focal point
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Date: Display between 4 and 5 o’clock
⚙️ Movement
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Caliber: B Manufacture Caliber B01, in-house automatic movement
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Certification: COSC chronometer-certified
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Power Reserve: ~70 hours
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Mechanics: Column-wheel chronograph and vertical clutch
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Frequency: 28,800 vph (4 Hz), 47 jewels
🔗 Strap & Case
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Strap: Black calfskin leather with folding clasp for secure and comfortable wear
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Caseback: Sapphire exhibition for a clear view of the finely finished movement
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Thickness: ~14.2 mm
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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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