| Brand | Tag Heuer |
| Caliber Number | 1887 |
| Base Caliber | Seiko TC78 |
| Movement Type | Automatic |
| Jewels | 39 |
| Power Reserve | 50 hours (40hrs with chronograph running) |
| Vibrations Per Hour | 28,800 |
| Shock System | KIF |
| Diameter | 29.3mm |
| Features | Small seconds, chrono mins, chrono hrs, date |
| Country of Manufacture | Switzerland |
| Known Models | CAR2012 |
Tag Heuer’s pseudo in-house caliber 1887 automatic movement found in a Carrera model CAR2012-0. 39 Jewels, Swiss made. Based off a Seiko TC78 movement or 6S37. The rotor is engraved with “TAG Heuer — Calibre 1887 Swiss Made”.
- Read more: TAG Heuer Shoots Itself In the Foot on TAG Heuer Caliber 1887 Launch
- Read more: Tag Heuer caliber 1887 info on tagheuer.com
- Tag Heuer Calibre 1887 with Japanese DNA Review
