Blancpain 18k rose gold Perpetual Calendar, automatic, size 38mm. Blancpain model # 6057 with an 18k rose gold case and fixed bezel, skeleton transparent exhibition case back, silver opaline dial with rose gold-tone hands and Roman numerals, month/day/date sub-dials, sapphire crystal, black strap and 18k rose gold Blancpain tang clasp. One year full warranty.