Steel Patek Philippe Aquanaut 5167/1A-001. Case diameter 40mm water resistant to 120 meters., sapphire crystal see through case back. Automatic mechanical movement, calibre 324 S C movement, 21K rotor with Geneva Seal. Embossed black degrading dial, white luminescent applied white gold Arabic numerals and hands with outer minute markers. Steel bracelet with double folding clasp. Box and papers dated 2009. Our reference S20079.