https://www.amazon.com/DAP-Weldwood-Original-Contact-Cement/dp/B0006MXRWU
Mask off areas you want to keep clean with tape. Apply super thin coats to both surfaces, let dry for a few minutes, then press together.
Basic toolkit
Crystal/Bezel press
Radico cleaning clay
Hand applicator tools
Contact cement
Loupe
Digital caliper
Movement holder