40mm 18K white gold case, 18K white-gold back, non-screw crown with 1 o-ring and18K white-gold with mother-of-pearl Montblanc emblem, domed sapphire crystal with double anti-reflective coating, anthracite guilloché dial, automatic (COSC) Montblanc 4810/401 movement, approximately 42 hours of power reserve, black alligator strap with triple-folding steel and 18K white gold buckle. Water resistant to 3 bar (30 m).
40mm 18K red gold case, 18K red-gold back, non-screw crown with 1 o-ring and18K red gold with mother-of-pearl Montblanc emblem, domed sapphire crystal with double anti-reflective coating, beige guilloché dial, automatic (COSC) Montblanc 4810/401 movement, approximately 42 hours of power reserve, brown alligator strap with triple-folding steel and 18K red gold buckle. Water resistant to 3 bar (30 m).