B.R.M The New Collection FF39-40 Technical description Case Case machined from the block Dimensions: 39x40mm Shape: isosceles trapezoid with rounded corners Material: titanium or bronze Bezel and back: carbide- machined 316L stainless steel Lugs: 316L stainless steel or bronze Crown: moved to 5 o’clock, brushed stainless steel, hand- applied lacquer Front and back (bezel and back): sapphire crystal, resin- decorated and UV-hardened Specific screws: stainless- steel micro-threaded BTR screws. Dial Skeleton dial Belt pulleys: grey Fortal HR Belts and silentblocs: nitrile Hands: black, cut out, superlight, hand-decorated Movement Movement automatic Swiss base B.R.M-Precitime automatic floating movement Round automatic caliber 28,800 alternations per hour 25 jewels Casing ring: self-supporting, hard-anodized grey Fortal Strut bar: microfine carbon Rotor: Fortal HR glass beaded diamond cut and hard-anodized; screwed-in and threadlocked bronze counterweight Ratchet: bored, equilibrated, and decorative, offering a view- from-above of the movement Balance: machined and anodised Fortal HR, dynamic equilibration in the 6 positions, for perfect chronometry Barrel: bored and equilibrated, with constant and secure motion control Second-hand stop Power reserve: about 38 hours Water resistance: 30 meters Strap Material: black Alcantara with or without Velcro, alligator skin or leather Stitching: double-stitched by hand Buckle: B.R.M half-buckle in stainless steel machined from the block 3-year warrantee Weight: 55 grams