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: 2013–2026Diameter
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: 2021–2026Thickness
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, 2017–2026Generations
Shaded: new to the line.
- 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)
- 2009Master Ultra Thin Small Second 401358
- Calibre 896
- 40 mm
- 8.6 mm thick
- 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)
- 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)
- 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)
- 2013Master Ultra Thin 1907Q1292520
- Calibre 849 (new to the line)
- 39 mm (new to the line)
- 4.05 mm thick (new to the line)
- 2013Master Ultra Thin 1907Q1296520
- Calibre 849 (new to the line)
- 39 mm (new to the line)
- 4.05 mm thick (new to the line)
- 2013Master Ultra ThinQ1332511
- Calibre 898C (new to the line)
- 41 mm (new to the line)
- 7.5 mm thick (new to the line)
- 2013Master Ultra ThinQ1338421
- Calibre 898C (new to the line)
- 41 mm (new to the line)
- 7.5 mm thick (new to the line)
- 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)
- 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)
- 2014Master Ultra Thin Small SecondQ1278420
- Calibre 896
- 38.5 mm (new to the line)
- 7.6 mm thick (new to the line)
- 2014Master Ultra Thin DateQ1282510
- Calibre 899 (new to the line)
- 40 mm
- 7.5 mm thick
- 2015Master Ultra Thin Date1288
- Calibre 899
- Calibre 899/1 (new to the line)
- 40 mm
- 7.5 mm thick
- 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)
- 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)
- 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)
- 2015Master Ultra Thin TourbillonQ1323420
- Calibre 982 (new to the line)
- 40 mm
- 11.3 mm thick (new to the line)
- 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)
- 2016Master Ultra Thin DateQ1283501
- Calibre 899/1
- 40 mm
- 7.5 mm thick
- 2016–presentMaster Ultra Thin Perpetual CalendarQ1308470

- Calibre 868
- 39 mm
- 9.2 mm thick
- 2017Master Ultra Thin MoonQ1363540
- Calibre 925/1
- 39 mm
- 9.9 mm thick
- 2017–presentMaster Ultra Thin Power ReserveQ1378480

- Calibre 938 (new to the line)
- 39 mm
- 9.8 mm thick (new to the line)
- 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)
- 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)
- 2020Master Ultra Thin KnifeQ1152520
- Calibre 849
- 40 mm
- 4.25 mm thick (new to the line)
- 2021–presentMaster Ultra Thin Moon1242

- Calibre 925
- Calibre 925AA
- 36 mm (new to the line)
- 9.4 mm thick (new to the line)
- 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)
- 2023–presentMaster Ultra Thin Date1232

- Calibre 899
- 39 mm
- 7.8 mm thick
- 2023–presentMaster Ultra Thin Power Reserve1372

- Calibre 938
- 39 mm
- 8.95 mm thick (new to the line)
- 2024–presentMaster Ultra Thin Perpetual Calendar1142

- Calibre 868
- 39 mm
- 9.2 mm thick
- 2024–presentMaster Ultra Thin Date1238

- Calibre 899/1
- Calibre 899
- 39 mm
- 7.89 mm thick (new to the line)
- 2024–presentMaster Ultra Thin Perpetual CalendarQ114842J

- Calibre 868
- 39 mm
- 9.2 mm thick