Jaeger-LeCoultre
Jaeger-LeCoultre Master Ultra Thin Q1338421
The Jaeger-LeCoultre Master Ultra Thin (reference Q1338421) is a watch.
Specifications
Case
- Reference
- Q1338421
- Collection
- Master Ultra Thin
Dial versions
This reference was made with these dials and finishes.
Q1338421
How it compares within the Master Ultra Thin family
Side by side with other references in the same collection, from the catalog.
| Reference | Size | Material | Dial | Caliber | Years |
|---|---|---|---|---|---|
| Q1338421 (This watch) | — | — | — | — | — |
| Q1218420 | 39 mm | Stainless steel | Silver sunburst | 896/1 | — |
| Q1308470 | 39 mm | Stainless steel | Black | — | — |
| Q1358420 | 40 mm | Stainless steel | Silver | — | — |
| Q1362520 | 39 mm | 18k pink gold | Eggshell | 925/1 | — |
| Q1368420 | 39 mm | Stainless steel | Silver sunburst | 925/1 | 2015– |
| Q1368470 | 39 mm | Stainless steel | Black | 925/1 | — |
| Q1368480 | 39 mm | Stainless steel | Blue | 925/1 | — |
| Q1378420 | 39 mm | Stainless steel | Silver | 938 | — |
About the Master Ultra Thin family
Master Ultra Thin is Jaeger-LeCoultre's line of very slim dress watches, drawing on the manufacture's long history of thin movements. It includes time-only models, moon phases, perpetual calendars and tourbillons in round, classic cases.
The catalog includes references with calibers such as 896/1, 899/1 and the moon-phase 925/1, in steel, pink gold, red gold and platinum. Dealers identify the function and size from the reference and check the strap, buckle and papers.
Catalog facts checked October 2026.