Master Ultra Thin through the years

Calibre

896: 2008–2009, 2014849: 2013, 2020868: 2013–2026899: 2014–2015, 2023–2026925/1: 2015–2021899/1: 2016, 2024925: 2021–2026Others: 2013–2026

Diameter

41.5 mm: 2020–2021, 2024–202641 mm: 2013–2014, 202440 mm: 2008–2009, 2014–2016, 2019–202639 mm: 2013–202638.5 mm: 2014, 201638 mm: 201536 mm: 2021–2026

Thickness

11.3 mm: 20159.9 mm: 2015–20219.2 mm: 2013–20268.6 mm: 2008–2009, 20147.6 mm: 2014, 20167.5 mm: 2013–20164.05 mm: 2013Others: 2013–2015, 2017–2026

Generations

Shaded: new to the line.

  1. 2008Master Ultra Thin Small Second Pink Gold 401352
    • Calibre 896 (new to the line)
    • 40 mm (new to the line)
    • 8.6 mm thick (new to the line)
  2. 2009Master Ultra Thin Small Second 401358
    • Calibre 896
    • 40 mm
    • 8.6 mm thick
  3. Jaeger-LeCoultre Master Ultra Thin Perpetual Calendar 1302
    2013–presentMaster Ultra Thin Perpetual Calendar1302
    • Calibre 868 (new to the line)
    • 39 mm (new to the line)
    • 9.2 mm thick (new to the line)
  4. Jaeger-LeCoultre Master Ultra Thin Perpetual Calendar 1303
    2013–presentMaster Ultra Thin Perpetual Calendar1303
    • Calibre 868 (new to the line)
    • 39 mm (new to the line)
    • 9.2 mm thick (new to the line)
  5. 2013Master Ultra Thin CalendarQ1263520
    • Calibre 891/2-448 (new to the line)
    • 39 mm (new to the line)
    • 10.6 mm thick (new to the line)
  6. 2013Master Ultra Thin 1907Q1292520
    • Calibre 849 (new to the line)
    • 39 mm (new to the line)
    • 4.05 mm thick (new to the line)
  7. 2013Master Ultra Thin 1907Q1296520
    • Calibre 849 (new to the line)
    • 39 mm (new to the line)
    • 4.05 mm thick (new to the line)
  8. 2013Master Ultra ThinQ1332511
    • Calibre 898C (new to the line)
    • 41 mm (new to the line)
    • 7.5 mm thick (new to the line)
  9. 2013Master Ultra ThinQ1338421
    • Calibre 898C (new to the line)
    • 41 mm (new to the line)
    • 7.5 mm thick (new to the line)
  10. 2014Master Ultra Thin Small Second1272
    • Calibre 896
    • Calibre 896/1 (new to the line)
    • 38.5 mm (new to the line)
    • 7.6 mm thick (new to the line)
  11. 2014Master Ultra Thin Minute Repeater Flying Tourbillon1313
    • Calibre 362 (new to the line)
    • 41 mm
    • 7.8 mm thick (new to the line)
    • 7.9 mm thick (new to the line)
  12. 2014Master Ultra Thin Small SecondQ1278420
    • Calibre 896
    • 38.5 mm (new to the line)
    • 7.6 mm thick (new to the line)
  13. 2014Master Ultra Thin DateQ1282510
    • Calibre 899 (new to the line)
    • 40 mm
    • 7.5 mm thick
  14. 2015Master Ultra Thin Date1288
    • Calibre 899
    • Calibre 899/1 (new to the line)
    • 40 mm
    • 7.5 mm thick
  15. Jaeger-LeCoultre Master Ultra Thin Tourbillon Enamel 1322
    2015–presentMaster Ultra Thin Tourbillon Enamel1322
    • Calibre 982 (new to the line)
    • Calibre 978 (new to the line)
    • 40 mm
    • 11.3 mm thick (new to the line)
    • 12.13 mm thick (new to the line)
  16. Jaeger-LeCoultre Master Ultra Thin Moon 1362
    2015–presentMaster Ultra Thin Moon1362
    • Calibre 925/1 (new to the line)
    • Calibre 925 (new to the line)
    • Calibre 925AA (new to the line)
    • 39 mm
    • 9.3 mm thick (new to the line)
    • 9.9 mm thick (new to the line)
  17. Jaeger-LeCoultre Master Ultra Thin Moon 1368
    2015–presentMaster Ultra Thin Moon1368
    • Calibre 925/1 (new to the line)
    • Calibre 925 (new to the line)
    • 39 mm
    • 9.3 mm thick (new to the line)
    • 9.9 mm thick (new to the line)
  18. 2015Master Ultra Thin TourbillonQ1323420
    • Calibre 982 (new to the line)
    • 40 mm
    • 11.3 mm thick (new to the line)
  19. 2015Master Ultra Thin SqueletteQ1342501
    • Calibre 849A SQ (new to the line)
    • 38 mm (new to the line)
    • 4.7 mm thick (new to the line)
  20. 2016Master Ultra Thin DateQ1283501
    • Calibre 899/1
    • 40 mm
    • 7.5 mm thick
  21. Jaeger-LeCoultre Master Ultra Thin Perpetual Calendar Q1308470
    2016–presentMaster Ultra Thin Perpetual CalendarQ1308470
    • Calibre 868
    • 39 mm
    • 9.2 mm thick
  22. 2017Master Ultra Thin MoonQ1363540
    • Calibre 925/1
    • 39 mm
    • 9.9 mm thick
  23. Jaeger-LeCoultre Master Ultra Thin Power Reserve Q1378480
    2017–presentMaster Ultra Thin Power ReserveQ1378480
    • Calibre 938 (new to the line)
    • 39 mm
    • 9.8 mm thick (new to the line)
  24. Jaeger-LeCoultre Master Ultra Thin Tourbillon 1682
    2019–presentMaster Ultra Thin Tourbillon1682
    • Calibre 978
    • 40 mm
    • 10.7 mm thick (new to the line)
    • 10.77 mm thick (new to the line)
  25. Jaeger-LeCoultre Master Ultra Thin Tourbillon Moon 1692
    2020–presentMaster Ultra Thin Tourbillon Moon1692
    • Calibre 983 (new to the line)
    • 41.5 mm (new to the line)
    • 12.1 mm thick (new to the line)
  26. 2020Master Ultra Thin KnifeQ1152520
    • Calibre 849
    • 40 mm
    • 4.25 mm thick (new to the line)
  27. Jaeger-LeCoultre Master Ultra Thin Moon 1242
    2021–presentMaster Ultra Thin Moon1242
    • Calibre 925
    • Calibre 925AA
    • 36 mm (new to the line)
    • 9.4 mm thick (new to the line)
  28. Jaeger-LeCoultre Master Ultra Thin Moon 1248
    2021–presentMaster Ultra Thin Moon1248
    • Calibre 925
    • 36 mm (new to the line)
    • 9.34 mm thick (new to the line)
    • 9.4 mm thick (new to the line)
  29. Jaeger-LeCoultre Master Ultra Thin Date 1232
    2023–presentMaster Ultra Thin Date1232
    • Calibre 899
    • 39 mm
    • 7.8 mm thick
  30. Jaeger-LeCoultre Master Ultra Thin Power Reserve 1372
    2023–presentMaster Ultra Thin Power Reserve1372
    • Calibre 938
    • 39 mm
    • 8.95 mm thick (new to the line)
  31. Jaeger-LeCoultre Master Ultra Thin Perpetual Calendar 1142
    2024–presentMaster Ultra Thin Perpetual Calendar1142
    • Calibre 868
    • 39 mm
    • 9.2 mm thick
  32. Jaeger-LeCoultre Master Ultra Thin Date 1238
    2024–presentMaster Ultra Thin Date1238
    • Calibre 899/1
    • Calibre 899
    • 39 mm
    • 7.89 mm thick (new to the line)
  33. Jaeger-LeCoultre Master Ultra Thin Perpetual Calendar Q114842J
    2024–presentMaster Ultra Thin Perpetual CalendarQ114842J
    • Calibre 868
    • 39 mm
    • 9.2 mm thick