non-screw crown with 1 o-ring and mother-of-pearl Montblanc emblem
Thickness: 11
Montblanc 1858 Chronograph Tachymeter 44 mm watch
7-sided crown with synthetic faceted blue spinel
the Reverso One Duetto Moon steel watch offers a choice of two faces through the Duetto concept
SANTOS-DUMONT SKELETON Serial Number:4466481203EY non-screw crown with 1 o-ringSantos 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