The new Nautilus Chronograph Ref. 5980/1 A has a stainless steel case and integrated bracelet. This new an elegant sporty timepiece with a stopwatch function is the perfect result of the combination between the new self-winding, column-wheel-controlled caliber 28-520 C chronograph movement with the new 44-mm Nautilus case size .

Caliber CH 28-520 C
Mechanical self-winding movement with date
Chronograph with 60-minute and 12-hour monocounter at 6 o’clock
Center sweep second hand (chronograph hand)
Black-blue dial, gold applied hour markers with luminescent coating  
Screw-down crown
Sapphire crystal case back
Water resistant to 120 m
Stainless steel
Case diameter (10-4 o’clock): 40.5 mm