This Sinn 656 VKB is a limited edition watch  specially made for the “KLM flight engineers union” back in 2002. Only 130 pieces have been produced. The timepiece makes use of ETA 2824-2 automatic calibre. It performs 28 800 vibrations per hour and has 25 bearing jewels. The dial is Black with the VKB logo. Additional features include a date window located between the 4 and 5 o'clock marks, magnetic field protection, pressure resistance, nickel-free case back and sapphire crystal glass with anti-reflective coating.

This watch is in good condition with some marks on the case and a scratch in the AR coating of the sapphire crystal. Just came back from a full service. Comes in a Sinn box with one year warranty!