Roger Dubuis, Sympathie bi-retrograde perpetual calendar chronograph, 18K white gold, Cal. RD 5637, 25 jewels, limited edition of 28 pieces, circa 1999.
Franck Muller, Imperial Tourbillon Minute Repeater, Ref. 6850 RMT, 18K white gold, 32 jewels, circa 1990’s.
Cartier, Ballon Bleu de Cartier tourbillon with double jumping second time zone, Ref, 3326, 18K rose gold, Cal. 9465MC, made in a limited edition of 50 pieces in 2013.
Cartier, 18K yellow gold with baguette diamonds, Cal. 12001, 38 jewels, tourbillon perpetual calendar self-winding wristwatch, circa the 1990s.
