Brand MAURICE LACROIX Caliber 30... Size 13 1/4 Function SC-DD(3)-AUT-CHR Version 3 Eyes ( 6-9-12 ) Hands 1.20x2.00x0.25/0.18 Stem 8048 (Gew 1.20) Stem (subs.) 8064 (Gew 0.90) Stem (2 pce) Balance staff 33811 Inca Balance staff (subs.) Mainspring (subs.) 1,50x12,50x0,115 AUT Mainspring (subs.) = 4160X Battery