Spera, Aqua Diver Swiss made; 1970s Manual hand winding mechanical movement Swiss calibre, 17 Jewels, ıncabloc Chromed case Dual way roatring bezel Diameter: 34.5 mm without crown Screw down steel caseback Waterproof 5 ATM / 50 Meters(untested by us) Date index; manuel set Case serial: 51 347 Two tone appealing dial White/Silver hour indexes and hands Crystal material: Mica Strap: Leather Strap lug width: 19 mm Great condition with visible traces of use Machine and functions work very good Read the Terms and Conditions and review the photos very carefully before buying. The watch will be carefully and properly packed and shipped by registered and tracked UPS and FEDEX for worldwide Fast and safe shipping. Estimated delivery time: 3-8 business days Custom fees belongs to the buyers