B.R.M 3-Times Zone MTV Delivery Time for building this model is 6-7 weeks Technical characteristics Case: Round cut from the mass Universes : Racing Case diameter : 52 mm Case material : Black and checkered PVD titanium Lugs : Stainless steel Crown : 3 stainless steel crowns Glass top and bottom (bottom and bezel) : Sapphire Specific screws : Superfine stainless steel Dial : Full Hands : Multicolor Movement : 3 ETA 2671 Movements Caliber : Self-winding engine caliber Alternations per hour : 28800 Ruby : 24 Device : stop seconde Crown type : screwed Pendulum type : shockproof Power reserve : 48h Date : No Waterproofing : 100 meters Space between lugs : 33x28 Buckle : lightweight stainless steel pin buckle machined from solid metal made up of 9 parts Hand made Calf Leather strap with double stitching Box: Dimensions of the case : 24 x 16 x 9 cm Material : Wood Color : black Interior : gray suede Watch Guarantee : 3 years