Case material: Ceramic; Charge: Automatic; Conditions: New Presentation condition : With boxes and all papers; Model: Deep Sea Chronograph Price on request Gmtbroker Reference: 208a57j Jaeger LeCoultre 208a57j Complete Details: The Jaeger-LeCoultre Deep Sea Chronograph VINTAGE CERMET watch has an operating indicator for the chronograph enabling the wearer to check at a glance if the chronograph is engaged (half red/white), or that it is ready to be activated (white), or that the measured time is displayed on the various counters (red). This specific feature is inspired by a historical on-board chronograph invented in 1930 by JLC to equip civil & military aviation. This watch differs from the regular production version with the vintage/aged colored luminescent paint.  This watch features: Case is comprised of black CERMET & Titanium: CERMET is a high-tech material consisting of aluminum reinforced with particles of ceramic and then covered with a protective coating of ceramic, has incomparable properties of lightness, resistance and stability. Bezel with silver indexes & Arabic numerals. Vintage/aged colored luminscent triangle & 10 minute dot countdown indications. Matte black dial with recessed sub-dials. Vintage/Aged colored luminescent paint index hour markers Fine printed white minutes/seconds & fractions of a second track. Polished steel rectangle with needle tip hands, filled with a vintage/aged colored luminescent paint. Chronograph/Stopwatch functions: Larger central seconds counter