Patek Philippe Calibre 324 S QA LU 24H/206 Automatic movement with 34 Jewels, bitted at 28800 vph (28'800 bpm). Power reserve approximately 45 hours. Annual calendar accounting for month lengths and leap years. Moon phase complication displaying lunar cycle approximation. Analog dial features silver-tone hands and index hour markers in grey with minute markers around the outer rim. Fixed 18kt white gold bezel, scratch resistant sapphire crystal glass. Pull/push crown operation. Open skeleton case back revealing movement details. Round case shape crafted from 18kt white gold measuring 40 mm in diameter. Secured with an 18kt white gold tang clasp and black leather strap. Water resistance rated at 30 meters (approximately 100 feet). Unsuited for prolonged contact with water, such as swimming or bathing. Swiss Made movement source. Part of the Complications Series. Casual watch style.