Case material: Rose gold; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Model: Big Bang Price on request Gmtbroker Reference: 411.OM.1180.RX - 18kt rose gold case, satin/brushed finished with fine polished corners. - Satin finished black ceramic bezel, secured by 6 "H" style titanium screws. - Case center (edge) lateral black composite resin inserts. - Rose gold crown with black rubber around the crown for enhanced grip - with red indicator to show when the crown is unscrewed. - Rose gold round shaped chrono buttons. - Sapphire crystal transparent dial. With applied brushed finished rose gold toned "Applique" style Arabic Numeral & index hour markers with luminous fill. - Raised/tapered inner bezel flange on the perimeter of the dial with red printed minute/seconds track & white printed 5 seconds increments in Arabic numerals. - Bold brushed finished rose gold toned minute & hour hands with luminous filled top & skeletonized bottoms. Chronograph/Stopwatch functions: - Column wheel chronograph. - Features a "Flyback" function, which allows instant restarting of the chronograph with a single push of the button instead of the need to stop, reset & then restart the stop-watch. - Large red central seconds counter. - 60 minute counter sub-dial located at the 3 o'clock position. - Date window with white background located at the 3 o'clock position. - Small continuous running seconds hand sub-dial located at the 9 o'clock position. - Straps are easily interchangeable via a unique quick-release push-button system develo