31 automatic movement that can be admired through a sapphire crystal case back
the timeless round shape in stainless steel with a rose gold-colored PVD finish and mother-of-pearl inlay creates a jewel with a powerful Montblanc signature
Thickness: 11
non-screw crown with 1 o-ring and mother-of-pearl Montblanc emblem
7-sided crown with synthetic faceted blue spinel
SANTOS-DUMONT SKELETON Serial Number:4466481203EY 31 automatic movement that canSantos Dumont micro rotor skeleton watch, large model, 31x 43. 5 mm, automatic mechanical movement, 9629 MC. Steel case, polished blued steel sword shaped hands, sapphire crystal and case back, bridges covered in gray lacquer. Gray alligator skin strap and blue alligator skin strap, steel ardillon buckle. Movement dimensions: 23. 2 mm, movement thickness: 4. 4 mm, balance: 25,200 vibrations hour, power reserve approx. 46 hours. Case dimensions: 31 x