new transmission gear, gear train to tourbillon, cleaned hands, cleaned dial, fixed tourbillon dial circle, cleaned glass and case, new stem, lub tourbillon and stem, 8300 stem   9010 carriage, demag case and mvt, gasket grease, adjusted timing  5 s/d, amp 280, err 0,1,, perfect, clean main bridge, check other gears for misfunction, teeth all OK, clean sun moon disc, gmt good overall flawless condition now ,, next service 2/3 years 2026/7