Patek Philippe 5153G-001 Calatrava Officers Watch in 18k White Gold on a Strap with an 18k White Gold Deployant Buckle, Automatic Movement (Caliber 324 SC), Center Sweep Second Hand, Date at 3 O’Clock, Black Opaline "Noir" Dial with a Hand-guilloched Center and Applied Gold Hour Markers, Half Hunter Officer Case. It has a leather strap with a matching 18k white gold deployant buckle, and a scratch resistant anti-reflective sapphire crystal. The solid four-body case, rounded bezel and band, and straight lugs with gold screwed bars are polished. It has a half-hunter hinged case back over a transparent display sapphire crystal. The Black "Noir" Opaline dial has a sunburst guilloche center, applied gold faceted dart hour marker indexes, and yellow gold dauphine hands with an outer engraved dot minute/second track with applied gold dots on the hours, and a center sweep second hand. There is a date aperture window at the 3 o’clock position, and it’s water resistant to 30 meters/100 feet. It has a 45-hour power reserve, and the 9.8mm thick case, dial, and movement are all signed. 

The automatic self-winding Patek Philippe caliber 324 SC movement is rhodium-plated, with fausses cotes embellishment, and it’s stamped with the Patek Philippe Seal of quality mark. It’s constructed with 29 jewels, 213 components, a shock absorber mechanism, and a straight-line lever escapement. It includes the patented Patek Philippe Gyromax balance that’s adjusted to heat, cold, isochronism and 5 positions, a self-compensating free-sprung flat balance spring, and a 21K gold rotor that oscillates at a frequency of 28,800 vph (4 Hz).

Reference No.  5153G-001