Series X through the years
Calibre
NN50: 2020–2026
NM50: 2022–2026
NN10: 2024–2026
8N26: 2025–2026
NM10: 2025
Diameter
45 mm: 2020–2026
44.5 mm: 2024–2026
42 mm: 2025
41 mm: 2025–2026
Thickness
17.65 mm: 2022–2026
17.55 mm: 2020–2026
17.35 mm: 2021–2026
13.5 mm: 2022–2026
13.05 mm: 2026
Generations
Shaded: new to the line.
- 2020–presentSeries X98B

- Calibre NN50 (new to the line)
- Calibre NN10 (new to the line)
- Calibre NM10 (new to the line)
- 42 mm (new to the line)
- 44.5 mm (new to the line)
- 45 mm (new to the line)
- 13.5 mm thick (new to the line)
- 17.35 mm thick (new to the line)
- 17.55 mm thick (new to the line)
- 17.65 mm thick (new to the line)
- 2021–presentSeries X96B349

- Calibre NN50
- 45 mm
- 17.35 mm thick
- 2022–presentMarc Anthony Series X98D183
- Calibre NM50 (new to the line)
- 45 mm
- 13.5 mm thick
- 2022–presentSeries X98J119
- Calibre NM50 (new to the line)
- 45 mm
- 13.5 mm thick
- 2025Marc Anthony Series X97A

- Calibre 8N26 (new to the line)
- 41 mm (new to the line)
- 13.5 mm thick
- 2026–presentSeries X98A

- Calibre 8N26
- 41 mm
- 13.05 mm thick (new to the line)