B Navitimer B01 Chronograph 43 – Ref. RB0138211B1R1 (18K Red Gold)

The B Navitimer B01 Chronograph 43 is a striking fusion of aviation heritage, technical mastery, and contemporary luxury. Its 43 mm case, crafted from solid 18K red gold, exemplifies modern chronograph design while honoring one of the most iconic pilot watches in history.

The black sunburst dial features three crisp white subdials and a framed date window at 6 o’clock, creating perfect legibility and visual balance. Red-gold hands and applied hour markers glow softly with Super-LumiNova, while the central red-tipped chronograph hand adds a subtle dynamic flair.

At its core is the B Manufacture Caliber B01, a COSC-certified automatic movement with 47 jewels, a 70-hour power reserve, and a 28,800 vph frequency. The column wheel and vertical clutch ensure seamless chronograph operation, visible through the sapphire exhibition caseback with the engraved gold rotor.

An integrated 18K red gold bracelet completes the watch, offering both comfort and commanding presence. With a 13.69 mm thickness and 30 m water resistance, it balances elegance and robustness, ideal for both formal occasions and adventurous pursuits.

Key Specifications:

• Reference: RB0138211B1R1

• Case Size: 43 mm

• Material: 18K Red Gold

• Thickness: 13.69 mm

• Dial: Black sunburst with white chronograph subdials

• Movement: B Caliber B01, COSC-certified, 70-hour power reserve, 28,800 vph, 47 jewels, column wheel & vertical clutch

• Functions: Hours, minutes, small seconds, chronograph (1/4 sec, 30 min, 12 hr), date, slide-rule bezel

• Bracelet: Integrated 18K red gold

• Crystal: Dual-sided anti-reflective sapphire

• Caseback: Transparent sapphire

• Water Resistance: 30 meters

• Weight: Approx. 226 grams

• Crown: Non-screw-locked, double-gasket

Conclusion:
The Navitimer B01 Chronograph 43 RB0138211B1R1 is a masterpiece for those who value history, precision, and uncompromising elegance. More than a watch, it is an experience — in every glance, every detail, and every tick.