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The sporty and high-performing Jaeger-LeCoultre Master Compressor Chronograph Model # 174.24.20 (Q1742420) is entirely at ease in all circumstances. It features electronic precision of time measurement with the noble traditions of the mechanical chronograph through its hours, minutes, seconds, date and chronograph functions. The Jaeger-LeCoultre Master Compressor Chronograph 174.24.20 is housed in a 36.5-mm round 18K rose gold case and fixed bezel set with 68 pieces of 0.64-carat full-cut diamonds, adding an undeniably elegant touch within the diminutive proportions ideally suited to feminine wrists. An anti-reflective sapphire crystal covers its silver dial with Arabic numerals and index markers. This Swiss mechanical movement timepiece also features compression key at 3 o'clock position and date display between 4 and 5 o'clock positions. The Jaeger-LeCoultre Master Compressor Chronograph 174.24.20 also comes in white alligator leather strap with deployant clasp. It is also water-resistant down to 100 meters (330 feet) which makes it suitable for swimming and shallow snorkeling.