Chapter 4 GMT Tourbillon Limited Edition

A concentrated blend of refinement and expertise. This highly exclusive series of 30 numbered pieces features a soft grey dial with warm accents, housed in a 44mm grade 5 titanium case with a sophisticated 5N PVD treatment. The manually wound mechanical movement, developed in La Chaux-de-Fonds, is equipped with a GMT function with world map engraving at 1 o’clock and a mesmerizing tourbillon at 7 o’clock. A timeless piece that embodies both excellence and elegance.

The watch is adorned with a soft grey nubuck leather strap, easily interchangeable thanks to the easy-clip system.

Produced in only 30 pieces worldwide, this exceptional edition is destined to become a true collector’s item.

MOVEMENT
Mechanical hand-wound tourbillon caliber BA.01, variable inertia balance with GMT function 19 jewels

POWER RESERVE
100 hours

FREQUENCE
3hz (21'600 Alt/H)

CASE
Grade 5 titanium with 5N PVD treatment, 44mm diameter, thickness 12.9mm including glass, lug-to-lug measurement 46mm.

DIAL
Semi-open, white SuperLuminova hands

GLASS
Sapphire crystal with double anti reflective coating

CROWN
At 4 o'clock, engraved with the BA111OD emblem

WATER RESISTANCE
5 ATM

MAGNETIC RESISTANCE
2000 Gauss

SHOCK RESISTANCE
5000G

STRAP
Soft grey nubuck leather strap with deployant clasp and easy-clip system