Model overview Model series
Master Control Master Geographic
Style
Men's watch, Dress watch
Warranty
2 years Authorized International Warranty
Movement Movement
Automatic winding, Jaeger LeCoultre in-house, 939A
Case Case back
Scratch-proof sapphire crystal
Glass
Scratch-proof sapphire crystal
Dial Markers
Arabic numerals and index markings
Strap Material
Leather, Crocodile
Buckle
Folding clasp, Steel
Functions Power reserve indicator
Yes
Other Passed JLC 1000-hours test
Yes
Alternative model numbers 1428421, Q1428421, 142.84.21, Q142.84.21, 142 84 21, Q142 84 21