Silver-tone stainless steel case with black crocodile leather strap. Fixed silver-tone bezel. Black dial featuring luminous stick hour markers and minute indices, along with a date display at the 6 o'clock position. Sub-dials include annual calendar (day/month/year), day of week, month indicator, 24-hour GMT hand, moon phase display, and seconds function. Patek Caliber 324 S QA LU 24H/303 automatic mechanical movement with 34 jewels, composed of 347 parts beating at 28800 vph (5Hz). Approximate power reserve: 45 hours. Scratch-resistant sapphire crystal. Screw-down crown equipped for water resistance up to 120 meters / 400 feet. Cushion case shape measuring 40.5 mm in diameter with a skeleton case back and fold-over clasp with safety release.