You're a true underwater photographer that enjoys the art of film photography. There are a lot of strobes available for cameras and you like the features of the Sub Strobe Systems by Ikelite. Well Ikelite makes sure that its strobes are compatible with the film lover's cameras. Sync Cord is a two conductor coiled cord type, has a non corrosive seizing preventive Delrin connectors and threads.
If you use a Nikonos Camera this Dual Cord Nikonos - to - Two TTL Sub Strobes cord is what you're looking for. Cord comes with protective cap. Cap is machinedfrom black Delrin, apply almost no squeeze to the "O" ring, and allow connector attachment on both ends of the sync cord.