Jaeger-LeCoultre Master Compressor Chronograph Stainless Steel 1758421
It asserts itself in the sports world thanks to the first Jaeger-LeCoultre automatic chronograph movement. The patented compression key system has been adapted so as to be incorporated within the chronograph push-buttons. The inner ring displays the tachometric scale enabling one to measure the average speed of travel.
| Reference | 1758421 |
|---|---|
| Collection | Master Extreme |
| Case diameter | 41.5 mm |
| Case material | Stainless Steel |
| Bezel | Rotating, 0-60 (Dive) |
| Case shape | Round |
| Case back | Closed |
| Movement | Jaeger-LeCoultre caliber 751FHours |
| Water resistance | 100 m |
| Dial colour | Black |
| Dial finish | Sunburst |
| Indexes | Stick / Dot |
| Hands | Baton |
| Crystal | Sapphire |
| Year introduced | 2015 |
| Limited edition | Yes |
This is a reference-catalog entry for the Jaeger-LeCoultre Master Compressor Chronograph Stainless Steel 1758421. WatchFlow's Watch Library lets a dealer attach a reference like this to a piece of stock in one click, so the brand, reference and specs are filled in automatically instead of retyped — then that record drives listings, invoices and reports. See how it fits the wider watch inventory management workflow.
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