The Ball Engineer II Skindiver Heritage Manufacture Chronometer Limited Edition DD3208B-P2C-BKR men's watch bases its work on the Ball RRM7309-C Swiss manufacuture movement bearing 25 jewels with a power reserve of about 80 hours and COSC certification. The model is limited to 1,000 pieces. The envelope was created from stainless steel, which is coated with a very hard TiC coating in black. A black rubber strap is connected to the envelope. The black dial is complemented by a day-of-the-month date tracker. The dial and rotating bezel feature tritium micro tubes that glow rainbow-colored. The dial is protected by a sapphire crystal glass with anti-reflective coating. The model is shock-resistant to 5,000 Gs and anti-magnetic to 4,800 A/m. The watch features a screw-down crown and screw-down caseback. A water resistance rating of 20 ATM will allow diving without an aqualung.