Upgraded version (thinner) Patek Philippe New Chronograph Grenade (Chronograph Aquanaut) 5968A color dial and color tape, the chronograph second hand, scale and 30-minute chronograph scale and chronograph hand at 6 o’clock are orange, and the tape is also orange (the tape has black and orange)
Patek Philippe CH28 chronograph movement automatic winding, column wheel, vertical clutch, flyback function 6 o’clock chronograph has 60-minute chronograph and 12-hour chronograph, two chronographs are put together (60-minute chronograph on the outer ring, 12-hour chronograph on the inner ring) 6 o’clock chronograph has only 60-minute chronograph, no 12-hour chronograph.