Patek Philippe Lady's Lapis Lazuli, Gold Watch Case: 25 mm, square, 18k gold, Ref. # 4183/1, Case #2728396, Serial # 1263872, glass crystal Dial: lapis lazuli, gold "Baton" hour and minute hands Movement: manual wind, 18 jewel, caliber 16-250 Band: 18k gold square geometric links, fold over clasp; 6-3/4 inches Signed: Patek Philippe on the case and movement Gross weight: 85.40 grams Note: watch is currently in working order