Caliber 1887 was the major chronograph movement of TAG Heuer. For a long time, it was used on the high-performance TAG Heuer watches, especially reliable fake TAG Heuer 1887 Chronograph watches.
This movement is self-winding mechanical with column wheel and swinging gears disengage, which has high cost performance. We know that Caliber L688 of Longines is another high cost performance movement. The famous replica watches with column wheels are welcome among the upmarket watch lovers.
However, for a short time, the hot copy TAG Heuer watches pushed out new movement, Caliber 1969, and later changed the name as CH80. Because Caliber 1887 has a lot of similarities with other movements, the status of 1887 shook. Then, TAG Heuer designed to use new movements to attract more users.