Promo:Factory Model Number. MD278BK-03BKOR-RB . Movement:RONDA 5030-D Swiss Made. Functions:12 hr, 30 min, 60 sec registers chronograph. Date calendar, Case:Solid AISI 316L Stainless steel. Bezel:Black PVD coating. Crown: screw-down (threaded). Crystal:Sapphire Anti-Glare treated. Dial:Black color. Yellow luminous numerals and hour markers. Case Back: Engraved/Raised Logo. Solid Stainless steel. Band:Black rubber. Water Resistance:10atm. Case Size 48.00mm. 15.00mm. Watch comes with its unique race helmet style presentation box and warranty card. This is a 新品 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. I 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.