WN-166a Seydlitz by , KilroyTrip 11 See on map A photo s?? The German codified strongpoint WN-166a Seydlitz consisted of three casemates and a tobruk. The German codified strongpoint WN-166a Seydlitz consisted of three casemates and a tobruk. Read Route Tags : audinghen bunker pas-de-calais hauts-de-france murdelatlantique atlanticwall todt