Cal. 8R48 is an automatic column wheel chronograph movement from Seiko produced since 2014. It is part of the 8R family of movements used in brands such as Presage and Brightz. It is very similar to the rare Cal. 8R49.
- 2018 Seiko Presage Prestige SARK011
- 2018-present Seiko Presage Prestige SARK013
- 2015-2016 Seiko Brightz Mechanical Chronograph SDGZ009
- 2015-2016 Seiko Brightz Mechanical Chronograph SDGZ011
- 2015-2016 Seiko Brightz Mechanical Chronograph SDGZ012
- 2014-2015 Seiko Brightz Mechanical Chronograph SDGZ013 (LE of 500)
- 2015 Seiko Brightz Mechanical Chronograph SDGZ015 (LE of 500)
- 2015-2016 Seiko Brightz Mechanical Chronograph SDGZ017
- 2015-2016 Seiko Brightz Mechanical Chronograph SDGZ019
- 2015-2016 Seiko Brightz Mechanical Chronograph SDGZ021 (LE of 500)
- 2016 Seiko Presage 60th Anniversary Enamel Automatic Chronograph SRQ019 (LE of 1000)
- 2016 Seiko Presage 60th Anniversary Lacquer Automatic Chronograph SRQ021 (LE of 1000)
- 2017-2019 Seiko Presage Prestige Enamel Automatic Chronograph SRQ023J1
- 2017 Seiko Presage Prestige Automatic Chronograph SRQ025J1
- 2020 Seiko Automatic Chronograph 50th Anniversary LE SRQ029
- 2020 Seiko Chronograph 55th Anniversary LE SRQ031
Seiko 8R Family
| Calibre | Production | Height | Jewels | Components | Models | Notes |
|---|---|---|---|---|---|---|
| 8R28A | 2008-current | 7.2 mm | 34 | 292 | SRQ SAEK SAGK SDGZ | |
| 8R39A NE88A | 2011-current | 7.6 mm | 34 | 306 | SRQ SAEK | Thicker, for dive watches |
| 8R48A 8R49A | 2014-current | 7.5 mm | 34 | 311 | SRQ/SARK SDGZ | Japan-only |
| NE86A | 2014-current | 7.63 mm | OEM | 2-subdial |