IWC Portuguese Tourbillon Mystere

18kt white gold case with a brown leather strap. Fixed 18kt white gold bezel. Grey dial with silver-tone hands and index and Arabic numerals hour markers. Minute markers around the outer rim. Dial Type: Analog. Three sub-dials displaying: 60 second, power reserve indicator and tourbillon. IWC Calibre 50900 Automatic movement, based upon IWC 5011, containing 44 Jewels, bitting at 19800 vph, and has a power reserve of approximately 168 hours. Scratch resistant sapphire crystal. 18k white gold crown. Sapphire crystal display case back. Round case shape, case size: 44.2 mm, case thickness: 14.2 mm. Tang clasp. Water resistant at 30 meters / 100 feet. Functions: hours, minutes, subsidiary seconds (9 o'clock), 7-day power reserve (4 o'clock), skeletonized tourbillon (12 o'clock). Additional Info: limited edition of 250 watches; small seconds subdial; power reserve display; minute tourbillon; Breguet spring; 7 day power reserve when fully wound;. Portuguese Tourbillon Mystere Limited Edition Series.