Promo:Factory Model Number. MD278BK-03BKOR-RB .\rMovement:RONDA 5030-D Swiss Made.\rFunctions:12 hr, 30 min, 60 sec registers chronograph. Date calendar, \rCase:Solid AISI 316L Stainless steel. \rBezel:Black PVD coating.\rCrown: screw-down (threaded).\rCrystal:Sapphire Anti-Glare treated.\rDial:Black color. Yellow luminous numerals and hour markers.\rCase Back: Engraved/Raised Logo. Solid Stainless steel. \rBand:Black rubber.\rWater Resistance:10atm.\rCase Size 48.00mm. 15.00mm.\r\rWatch comes with its unique race helmet style presentation box and warranty card.\r\rThis is a used item so there are scratches on the crystal and bezel, but overall watch is in good condition. Watch runs a Swiss Ronda quartz mecchanism and battery has been replaced so good for 3 years of running time. Rubber strap is also new.\r\rI am selling my watches on other websites so sometimes the item is no longer available. Watch is from own personal collection, please feel free to ask questions.