1 x Smartwatch PCB: GERBER
1 x ATmega328p QFN: LINK eBay
1 x DS3231 RTC: LINK eBay
1 x CH340: LINK eBay
1 x microb USB connector: LINK eBay
1 x 16MHz crystal: LINK eBay
1 x HC-06 Bluetooth: LINK eBay
1 x 64x128 OLED i2c dispaly: LINK eBay
3 x 90º Side push button: LINK eBay
1 x smd 5020 buzzer: LINK eBay
1 x TP4056: LINK eBay
1 x DW01A: LINK eBay
1 x FS8205A: LINK eBay
3 x red LED 0603: LINK eBay
1 x blue LED 0603: LINK eBay
1 x green LED 0603: LINK eBay
1 x 100 Resistor 0603: LINK eBay
6 x 1k Resistor 0603: LINK eBay
1 x 1.2k Resistor 0603: LINK eBay
3 x 2k Resistor 0603: LINK eBay
1 x 2.2k Resistor 0603: LINK eBay
1 x 6.8k Resistor 0603: LINK eBay
3 x 51k Resistor 0603: LINK eBay
1 x 1M Resistor 0603: LINK eBay
1 x 10k Resistor 0603: LINK eBay
5 x 100nF 0603 Capacitor: LINK eBay
1 x 10uF 0805 Capacitor: LINK eBay
1 x 10uF 0603 Capacitor: LINK eBay
1 x FTDI module: LINK eBay
Wire, soldering iron, solder, etc...