This watch is also known as:
Q1662450 , 1662450 .
The Jaeger-LeCoultre Master Grand Tourbillon Model #166.24.50 (Q1662450) is a limited edition of 575 pieces. From the 1833 Collection, celebrating the 175th anniversary of Jaeger-LeCoultre, it embodies the vision & innovation of Jaeger-LeCoultre watch manufacturing since 1833. The Jaeger-LeCoultre Master Grand Tourbillon 166.24.50 in 43-mm polished 18k rose gold case with fixed smooth bezel also comes in transparent caseback engraved with "Serie Limitee 1833 xxx/575" and chocolate brown alligator strap with 18K rose gold deployant clasp. This men's watch utilizes automatic movement using Caliber 978 engine with 302 parts, 28,000 vph, 33 jewels and 48-hour power reserve. A scratch-resistant sapphire crystal protects the Jaeger-LeCoultre Master Grand Tourbillon 166.24.50 brown Guilloche dial with "1833" printed on the dial, a sunburst texture, Arabic numeral and index hour markers, luminous alpha style hour and minute hands made of applied brass, and secondary time zone indicated by independent hour hand sub-dial located at the 12 o'clock position. This sub-dial has 2 different guilloche finishes for the AM & PM zones. The Jaeger-LeCoultre Master Grand Tourbillon 166.24.50 is water resistant to 50 meters (165 feet) which makes it suitable for showering or swimming in shallow water.