Brand MAURICE LACROIX Caliber 57... Size 8 3/4 Function SC-D(3)-AUT Version Hands 0.70x1.20x0.20 Stem eigen Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) No. 2539X Mainspring (subs.) 1.06x7.0x0.072 Battery