A very useful trip to the car boot today;
A 17J full stainless case Ingersoll day/date in vvgc (nos?) this so far keeps perfect time...I dont think it has been worn and there is a pin? missing that holds the bracelet on, it has a Ronda-Matic RAX? movement that looks incredibly clean.
The case back is marked DUST RESISTANT SEALION ANTIMAGNETIC STEEL CASE.