Stainless Steel head and bracelet with push-button deployant clasp, 18k Ceragold and ceramic (ZrO2) tachymeter bezel, black with 18k gold accents dial, manual wind Chronometer (Cal. 3861), 12-hour chronograph, limited edition of 6969 pieces, Ref. 310.20.42.50.01.001, warranty dated December 2019, 42mm, includes Velcro strap with black-coated cork, New Old Stock in Box with Papers + BW Warranty