offered, this special watch, which was produced in a limited edition for engineers and radiologists. model number: 3508, the watch was purchased in 1994, proof of purchase available. less than 600 watches of this model were manufactured at the time. it is built to withstand magnetic influences of up to 500,000 a/m. the watch is water-resistant up to 120 metres and has a sapphire crystal with a hardness class of 9 and is in good condition. no damage, apart from signs of wear, scratches on the iron here and there, no scratches on the glass (please see photos). water-resistance was tested by swimming with the watch and the watch is waterproof. the watch comes with the original outer box (with signs of wear) and papers, as well as an information booklet about the watch. in addition, a completely new box, supplied by IWC. diameter: 3.4 cm (without crown) with crown: 3.8 cm strap length when closed: 15 cm, open: 22 cm will be shipped insured and can also be picked up in Amsterdam.