Ba111od Chapter 4.1 TVD 44mm Tourbillon

BA111OD Chapter 4.1 TVD 44mm Tourbillon (4.1 TVD)

Technical specifications:
Mechanical hand-wound tourbillon caliber BA.01
Variable inertia balance
19 jewels
Frequency: 3 Hz (21,600 vibrations/hour)
Power reserve: 100 hours

Grade 5 titanium case
Gun metal anthracite DLC treatment
Diameter: 44 mm
Thickness: 12.9 mm (including crystal)
Lug-to-lug: 46 mm

Domed sapphire crystal with double anti-reflective coating
Printed logo on the crystal

Semi-open dial with white SuperLuminova hands

Crown positioned at 4 o’clock engraved with BA111OD emblem

Water resistance: 5 ATM
Magnetic resistance: 2000 Gauss
Shock resistance: 5000G

Saffiano cowhide leather strap with night blue stitching
Made in Italy
Deployant clasp
Easy strap exchange system

Description:
The BA111OD Chapter 4.1 TVD 44mm Tourbillon represents the technical pinnacle of the collection, combining contemporary haute horlogerie with bold architecture and advanced materials.

At its heart beats the hand-wound BA.01 tourbillon caliber, equipped with a variable inertia balance and delivering an impressive 100-hour power reserve. Its 3 Hz frequency ensures chronometric stability and mechanical precision, positioning this model firmly within the realm of independent high watchmaking.

The Grade 5 titanium case with anthracite gun metal DLC coating provides exceptional lightness, durability and a cutting-edge technical aesthetic. With a 44 mm diameter and only 12.9 mm thickness, it offers strong yet balanced wrist presence.

The semi-open dial reveals part of the mechanical architecture, enhancing its instrumental and contemporary character. The white SuperLuminova hands ensure optimal legibility in low-light conditions.

The domed sapphire crystal with double anti-reflective coating protects the watch, while its 2000 Gauss magnetic resistance and 5000G shock resistance demonstrate outstanding structural robustness.

The Italian-made Saffiano leather strap with night blue stitching adds refined contrast and elegance, completing a timepiece that merges engineering, exclusivity and modern design.

The BA111OD Chapter 4.1 TVD is a statement of contemporary Swiss mechanical innovation, created for collectors who value technical mastery and avant-garde aesthetics.