The Glashuette Original Lady Serenade 1-39-22-10-30-XX was introduced on Valentine's Day 2019 as a limited edition of 50 pieces. It features a ruby-set bezel and a mother-of-pearl dial.Ref. 1-39-22-10-30-04 has an alligator strap with folding clasp.Ref. 1-39-22-10-30-44 has an alligator strap with pin buckle.