Case material: Steel; Charge: Automatic; Conditions: Never worn Presentation condition : With dealer guarantee ; Price on request Gmtbroker Reference: 51.2161.4047/75.c713 Zenith 51.2161.4047/75.c713 Complete Details: This watch features: Stainless steel case, completely polished finished except for the top of the lugs which have a fine brushed finished. 18kt Rose gold crown & pushers. Unique cutaway in the dial exposes the heart of the movement - the escapement. The cutout is surrounded by a polished gold plated rim secured in place by 3 gun-metal blue screws. Brown dial with contrasting brown outer rim with printed minute indicator track. Faceted polished gold plated hands & applied indexes with luminous tips. Tachymeter scale printed on outer flange/rim of the dial. The Famous El Primero Movement with a "Column Wheel" Chronograph stop/watch: Large gun-metal blue central seconds counter hand. 30 minute sub-dial counter located at the 3 o'clock position. Running seconds sub-dial located at the 9 o'clock position set into part of the cutaway display. Moon & Sun-phase for AM/PM indication sub-dial is located at the 6 o'clock position. Large date at the 2 o'clock position. Unique & patented 3-disc Grande Date system Zenith El Primero Caliber 4047 beats at 36,600 vph, 41 Jewels, 332 components & an approximate power reserve of 50 hours. Featured Complications: Chronograph This watch is also known as 512161404775c713