Men's Patek Philippe Calatrava watch with grey dial features an 18kt yellow gold case and brown leather strap. Equipped with a fixed solid 18kt yellow gold bezel, the timepiece presents gold-toned leaf-style hands enhanced by luminous coating for improved legibility in low light conditions. The indices include hour markers shaped like roman numerals or batons depending on location; specifically featuring index hour markers and possibly minute markers around the outer perimeter of the case (dial). This analog dial also displays a date at the 6 o'clock position along with complications including day of the week, month, moon phase display, and a power reserve indicator. The movement is Patek Philippe Calibre 324 S IRM QA LU automatic watch movement, known for its complexity containing 36 jewels and comprising 355 parts beating at 28800 vph (zero-phase擒纵机构). It includes an annual calendar complication which automatically adjusts for leap years until the year 2100. The transparent sapphire crystal case back allows viewing of the intricate movement, while the scratch-resistant property ensures longevity. The round case measures 39 mm in diameter and has a thickness of 11.5 mm, secured by an 18kt yellow gold deployment clasp (buckle). Rated water resistant to 30 meters or 100 feet depth, suitable for splashes but not diving. Functions comprise: hours, minutes, seconds, date at 6 o'clock, day of the week, month, moon phase display, power reserve indicator.