Breitling Premier B21 Chronograph Tourbillon 42 Willy Breitling LB2120171C1P1

Movement

• Caliber: Breitling B21 (Manufacture La Joux-Perret)
• Movement: Self-winding mechanical
• Power reserve: Approx. 55 hours
• Chronograph: 1/4th second, 60 minutes
• Vibration: 28,800 v.p.h
• Jewel: 30 jewels

Case

• Case material: Platinum
• Caseback: Screwed in (sapphire crystal)
• Water resistance: 10 bars (100 m/330 ft)
• Bezel: Fixed
• Crown: Non screw-locked, two gaskets
• Crystal: Cambered sapphire, glareproofed both sides

Dimensions

• Diameter: 42 mm
• Thickness: 15.25 mm
• Lug width (in-between lug): 22 mm

Strap

• Strap material: Alligator leather
• Strap color: Black
• Strap type: Curved
• Lug: 22/18 mm
• Buckle material: 18k white gold
• Buckle type: Folding clasp
• Buckle size: 18 mm