A RARE MASSIVE WHITE GOLD AND DIAMOND SET AUTOMATIC SWEEP SECONDS WRISTWATCH WITH DATE, ALARM AND COPRESSION KEY SYSTEM, Jaeger-LeCoultre, "MASTER COMPRESSOR MEMOVOX", NO. 3, CIRCA 2003

18k, nickel lever movement, 22 jewels, mono-metallic balance, adjusted to 6 positions, silver-grey dial with luminous Arabic and triangular numerals, aperture for date, outer rotating ring calibrated for 60 minutes with red and white indices, central sweep pointed seconds, fan form sector for alarm with setting marker at 10, large luminous baton hands, massive polished circular case, bezel finely set with 60 circular-cut diamonds, water-resistant type screwed-down case back and compression key system on 2 crowns, case, dial and movement signed, with an 18k white gold Jaeger-LeCoultre deployant clasp.

Jaeger-LeCoultre invented the first automatic alarm wristwatch in 1954. This "Master Compressor Memovox" derives its style from the company’s diver’s watches produced in the 1950’s. The name of "Master Compressor Memovox" comes from the compression key system on its crowns that allows for the most effective water resistance. The present example is numbered 3 and it was produced in a limited series only.