Cartier, 18K yellow gold with baguette diamonds, Cal. 12001, 38 jewels, tourbillon perpetual calendar self-winding wristwatch, circa the 1990s.
overhaul
Overhaul – Patek Philippe, Ref. 3940, perpetual calendar, second series
Patek Philippe, Ref. 3940, perpetual calendar, second series, 18K yellow gold, Cal. 240 Q, 27 jewels, circa 1988.
overhaul
Overhaul – Roger Dubuis, Sympathie bi-retrograde perpetual calendar chronograph
Roger Dubuis, Sympathie bi-retrograde perpetual calendar chronograph, 18K white gold, Cal. RD 5637, 25 jewels, limited edition of 28 pieces, circa 1999.