B Navitimer B01 Chronograph 46 – Ref# UB01371A1B1P1

🔹 Overview
The Navitimer B01 Chronograph 46 masterfully bridges aviation heritage with contemporary elegance. Featuring a 46 mm stainless steel and 18k red gold case, iconic circular slide rule, and AOPA wings at 12 o’clock, this watch honors over 70 years of pilot watch history. Its sleek profile, domed crystal, and contrasting polished-brushed finishes make it both a functional instrument and a statement of sophistication.

💎 Key Specifications

• Brand: B

• Model: Navitimer B01 Chronograph 46 Ref# UB01371A1B1P1

• Origin: Switzerland

• Gender: Men’s

• Case Size: 46 mm

• Case Material: Stainless steel & 18k red gold

• Bezel: Bidirectional, slide rule

• Dial: Black with chronograph counters and AOPA wings at 12 o’clock

• Strap: Black alligator leather, folding clasp in stainless steel

• Crystal: Cambered sapphire, anti-reflective both sides

• Water Resistance: 30 m / 100 ft

⏱ Movement & Functions

• Caliber: B Manufacture 01 (COSC-certified)

• Power Reserve: ~70 hours

• Frequency: 28,800 v.p.h (4 Hz)

• Chronograph: 1/4 sec, 30 min, 12 hr

• Jewels: 47

• Functions: Hours, minutes, small seconds, chronograph, date aperture

🎯 Design & Heritage

• Iconic pilot watch design with modern refinements

• Slimmed slide rule and domed crystal for a sleek profile

• Polished and brushed case finishes for understated elegance

• Black dial ensures excellent legibility

📏 Dimensions

• Thickness: 13.95 mm

• Lug-to-lug: 51.88 mm

• Lug width: 24 mm

• Weight: approx. 120 g (total), 97 g (head only)

✅ Highlights

• Celebrates 70+ years of Navitimer aviation heritage

• Manufacture Caliber 01 with 70-hour power reserve

• Bidirectional slide rule bezel for in-flight calculations

• AOPA wings restored at 12 o’clock, honoring the original design

• Worn by pilots, astronauts, and cultural icons