Breitling unveils three Premier tourbillon chronograph watches as a tribute to Léon, Gaston and Willy Breitling.

The luxury Swiss watch brand has partnered with the specialty movement maker Manufacture La Joux-Perret to develop the B21 tourbillon with a chronograph movement.

Precious metals (gold or platinum) and a domed open caseback characterize the Premier B21 Chronograph Tourbillon 42. It comes in three variations, each named for one of the Breitling founding fathers.

The Léon Breitling features a solid 18 k red gold case with a silver dial and brown, semi-shiny alligator strap. The Gaston Breitling pairs a solid 18 k white gold case with an anthracite dial and black alligator strap.

The Willy Breitling, meanwhile, is a vision in solid platinum with an admiral blue dial and black alligator strap. Each watch features the stylized square pushers and Arabic numerals that are hallmarks of the Premier line.

Their symmetrical dial design, harmonious interplay of numerals and tone-on-tone colorways perfectly balance the undisputed star of the show – the tourbillon – that takes center stage at 12 o’clock.

The open sapphire crystal caseback is domed to allow for full appreciation of the B21 movement, where the oscillating weight and reverse side of the tourbillon appear in contrasting 18 k gold.

Technical details

Model: Breitling Premier B21 Chronograph Tourbillon 42 Léon Breitling
Reference: RB2120211G1P1

Movement
Caliber: Breitling Manufacture Caliber B21 (Manufacture La Joux-Perret)
Diameter: 35 millimeters
Depth: 8.15 millimeters
Winder: self-winding mechanical
Power reserve: approx. 55 hours
Balance frequency: 28,800 a/h or 4 hertz
Chronograph: tourbillon chronograph, column-wheel, horizontal clutch, 1/4th second,
60-minute counter
Display: hour, minute, second
Certification: COSC-certified

Case
Material: 18 k red gold
Diameter: 42 millimeters
Thickness: 15.25 millimeters
Height: 50.03 millimeters
Water resistance: up to 10 bar (100 meters)
Glass: cambered sapphire, glareproofed on both sides
Caseback: screwed 18 k red gold, sapphire crystal
Crown: non-screw-locked, two gaskets

Dial
Silver
Super-LumiNova® luminescent hour and minute hands

Strap
Brown alligator leather strap with 18 k red gold folding buckle (22/18 mm)

Model: Breitling Premier B21 Chronograph Tourbillon 42 Gaston Breitling
Reference: JB2120A61B1P1

Movement
Caliber: Breitling Manufacture Caliber B21 (Manufacture La Joux-Perret)
Diameter: 35 millimeters
Depth: 8.15 millimeters
Winder: self-winding mechanical
Power reserve: approx. 55 hours
Balance frequency: 28,800 a/h or 4 hertz
Chronograph: tourbillon chronograph, column-wheel, horizontal clutch, 1/4th second,
60-minute counter
Display: hour, minute, second
Certification: COSC-certified

Case
Material: 18 k white gold
Diameter: 42 millimeters
Thickness: 15.25 millimeters
Height: 50.03 millimeters
Water resistance: up to 10 bar (100 meters)
Glass: cambered sapphire, glareproofed on both sides
Caseback: screwed 18 k white gold, sapphire crystal
Crown: non-screw-locked, two gaskets

Dial
Anthracite
Super-LumiNova® luminescent hour and minute hands

Strap
Black alligator leather strap with 18 k white gold folding buckle (22/18 mm)

Model: Breitling Premier B21 Chronograph Tourbillon 42 Willy Breitling
Reference: LB2120171C1P1

Movement
Caliber: Breitling Manufacture Caliber B21 (Manufacture La Joux-Perret)
Diameter: 35 millimeters
Depth: 8.15 millimeters
Winder: self-winding mechanical
Power reserve: approx. 55 hours
Balance frequency: 28,800 a/h or 4 hertz
Chronograph: tourbillon chronograph, column-wheel, horizontal clutch, 1/4th second,
60-minute counter
Display: hour, minute, second
Certification: COSC-certified

Case
Material: platinum
Diameter: 42 millimeters
Thickness: 15.25 millimeters
Height: 50.03 millimeters
Water resistance: up to 10 bar (100 meters)
Glass: cambered sapphire, glare-proofed on both sides
Caseback: screwed platinum, sapphire crystal
Crown: non-screw-locked, two gaskets

Dial
Blue
Super-LumiNova® luminescent hour and minute hands

Strap
Black alligator leather strap with 18 k white gold folding buckle (22/18 mm)