ROLEX - Men's wristwatch ref. 3484 antimagnetic with silver dial, with central chronograph, minute counter at 3 o'clock, subsidiary seconds at 9 o'clock, 3-body steel case and antimagnetic mechanical manual movement, calibre Valjoux 13'''- 17 jewels. 1/5-second chronograph (activated by two rectangular push-pieces) with original Rolex 1 km double telemetric scale. Semi-instantaneous 30-minute counter (subsidiary dial at 3 o'clock). Case no. 047716. Year of production: 1938 Diameter 33 mm excluding winding crown Leather strap.