A gentelman's Master Compressor diving watch by Jaeger LeCoultre, circular case. Black dial with painted luminous tapered baton and Arabic numerals. Two subsidiary, outer calibrated pulsation ring, blue and white movement operating indicator, eccentric date aperture between the 4 and 5 o'clock. Rotating calibrated bezel. Two rubber clad screw down chronograph buttons, rubber clad crown with compression key system. Case, dial and movement signed, stainless steel Jaeger-LeCoultre double deployant clasp and rubber strap. Titanium. 44 mm.