B Navitimer B01 Chronograph 41 – Stainless Steel – Ref. AB0139A71G1P1

The B Navitimer B01 Chrono Ref#AB0139A71G1P1 is a modern reinterpretation of an aviation legend, combining classic pilot watch heritage with contemporary design and technical precision. Its 41 mm stainless steel case, signature blue dial, and beaded slide-rule bezel reflect a perfect balance between tradition and modernity.

Designed for pilots and watch enthusiasts alike, the dial features a 24-hour GMT scale, three chronograph counters, and a date display, while the B 01 in-house caliber ensures COSC-certified precision with a 70-hour power reserve. The beaded bidirectional bezel doubles as a functional slide rule, perfect for airborne calculations or navigation-inspired style on land.

Paired with a blue alligator leather strap and folding stainless steel clasp, the Navitimer 41 is as comfortable on the wrist as it is visually striking. Every detail — from the cambered sapphire crystal to the polished accents — exudes timeless performance and elegance.

✅ Key Specifications

• Brand: B

• Model: Navitimer B01 Chronograph 41, Ref# AB0139A71G1P1

• Origin: Switzerland

• Case Diameter: 41 mm

• Case Material: Stainless steel

• Bezel: Bidirectional, beaded edge, slide rule scale

• Dial: Blue with 24-hour GMT scale, chronograph sub-dials, date display

• Movement: B Caliber 01 (Manufacture), automatic, COSC-certified

• Power Reserve: ~70 hours

• Frequency: 28,800 vph

• Jewels: 47

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

• Strap: Blue alligator leather

• Clasp: Folding stainless steel

• Crystal: Cambered sapphire, glareproofed both sides

• Water Resistance: 3 bar / 30 m

Why Choose This Navitimer?

• Heritage-inspired aviation design with modern execution

• Functional slide rule bezel for pilots and enthusiasts

• GMT functionality for tracking a second time zone

• In-house COSC-certified B 01 movement with 70-hour power reserve

• Elegant alligator strap with refined wrist comfort