44mm stainless steel case, sapphire crystal back, non-screw crown with 1 o-ring, domed sapphire crystal with double anti-reflective coating, black guilloché dial, automatic chronograph Montblanc 4810/501 movement with 12 hr and 30 min counters, central chronograph hand, approximately 46 hours of power reserve with triple-folding buckle, stainless steel bracelet. Water resistant to 3 bar (30 m).
44mm stainless steel case, sapphire crystal back, non-screw crown with 1 o-ring, domed sapphire crystal with double anti-reflective coating, black guilloché dial, automatic chronograph Montblanc 4810/501 movement with 12 hr and 30 min counters, central chronograph hand, approximately 46 hours of power reserve, black alligator strap with triple-folding buckle. Water resistant to 3 bar (30 m).
44mm stainless steel case, sapphire crystal back, non-screw crown with 1 o-ring, domed sapphire crystal with double anti-reflective coating, silver guilloché dial, automatic chronograph Montblanc 4810/501 movement with 12 hr and 30 min counters, central chronograph hand, approximately 46 hours of power reserve, brown alligator strap with triple-folding buckle. Water resistant to 3 bar (30 m).
44mm 18K red gold case, sapphire crystal 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, silver guilloché dial, automatic chronograph (COSC) Montblanc 4810/501 movement with 12 hr and 30 min counters, central chronograph hand, approximately 48 hours of power reserve, brown alligator strap with 18K red gold pin buckle. Water resistant to 3 bar (30 m).
44mm 18K red gold case, sapphire crystal 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, anthracite guilloché dial, automatic chronograph (COSC) Montblanc 4810/501 movement with 12 hr and 30 min counters, central chronograph hand, approximately 48 hours of power reserve, black alligator strap with 18K red gold pin buckle. Water resistant to 3 bar (30 m).
44mm stainless steel case, sapphire crystal back, non-screw crown with 1 o-ring, domed sapphire crystal with double anti-reflective coating, silver guilloché dial with red-gold-plated indexes, automatic chronograph Montblanc 4810/501 movement with 12 hr and 30 min counters, central chronograph hand, approximately 46 hours of power reserve, black alligator strap with triple-folding buckle. Water resistant to 3 bar (30 m).