Starting with the Tonda PF form
link factor that we're getting to know extremely well around these parts
link the Tonda PF Skeleton strips away the dial to
link reveal the PF777 caliber inside featuring a 60-hour power reserve and operating at 4 Hz. The movement bridges have been dressed up with an NAC coating an alloy of the platinum family that reveals a dark grey finish. These bridges also share an attractive vertical brushing throughout while the beveled edges have received a mirror-polished chamfer.