In this tutorial, you will learn how to recreate the watch hologram effect from the movie "In Time" using Adobe After Effects. Follow these steps to achieve this impressive visual effect.

**Step 1: Prepare Your Footage**
Start by downloading the files used in this tutorial so you can follow along. Import your video into a new composition as an image or PNG sequence. Using an image or PNG sequence makes it easier to track the footage.

**Step 2: Track the Arm**
In the provided video files, you'll see footage of an arm with dots drawn on it. These dots are crucial as they serve as tracking points for the effect. Use Mocha AE in Adobe After Effects to track the animation. Ensure that your tracking points are well-aligned and stable.

**Step 3: Create the Hologram Effect**
Once the tracking is complete, create the watch hologram effect. You can do this by designing the hologram in After Effects. Use text layers, shape layers, and other graphic elements to create the digital clock interface.

**Step 4: Apply the Hologram to the Arm**
Apply the hologram effect to the tracked points on the arm. Make sure it follows the movement of the arm seamlessly. Adjust the scale, position, and rotation to match the perspective of the arm.

**Step 5: Add Finishing Touches**
To enhance the realism, add glow effects, motion blur, and color grading to the hologram. These finishing touches will help blend the effect with the original footage.

For a detailed step-by-step guide on recreating the 'In Time' clock on arm effect, watch the full video tutorial.