Jaeger LeCoultre 140.3.87 Master Control Triple Calendar Q140387, 18k white gold on a strap with an 18k white gold deployant buckle, automatic Jaeger LeCoultre caliber 891/477movement, 45 hour power reserve, silver dial with applied Arabic numerals and dart shaped hour markers, day, date, month, contrasting small seconds 6 o'clock, hinged "hunter style" case back, sapphire crystal, diameter: 37mm, thickness: 12mm, water resistant to 5 atm