Please try this:
min_price = driver.find_element(By.XPATH, "//a[@title='Samsung Galaxy Watch4 Classic Bluetooth Stainless Steel 46mm Αδιάβροχο με Παλμογράφο (Black)']").text
Or
min_price = driver.find_element(By.XPATH, "//a[contains(@title,'Samsung Galaxy Watch4 Classic Bluetooth Stainless Steel 46mm')]").text
In case you need to add a wait to make element be visible you may use something like this:
min_price = wait.until(EC.visibility_of_element_located((By.XPATH, "//a[@title='Samsung Galaxy Watch4 Classic Bluetooth Stainless Steel 46mm Αδιάβροχο με Παλμογράφο (Black)']"))).text
Or
min_price = wait.until(EC.visibility_of_element_located((By.XPATH, "//a[contain(@title,'Samsung Galaxy Watch4 Classic Bluetooth Stainless Steel 46mm)]"))).text
respectively
UPD
The //a[@title='Samsung Galaxy Watch4 Classic Bluetooth Stainless Steel 46mm Αδιάβροχο με Παλμογράφο (Black)'] locator matches 3 elements inside the same product block. To access the price element you need to precise your locator.
This will give you the price of the product you are looking for:
min_price = wait.until(EC.visibility_of_element_located((By.XPATH, "//a[@title='Samsung Galaxy Watch4 Classic Bluetooth Stainless Steel 46mm Αδιάβροχο με Παλμογράφο (Black)' and @data-e2e-testid='sku-price-link']"))).text
To get all the products on that page prices you can use something like this:
wait.until(EC.visibility_of_element_located((By.XPATH, "//a[@data-e2e-testid='sku-price-link']")))
time.sleep(0.5)
prices = driver.find_element(By.XPATH, "//a[@data-e2e-testid='sku-price-link']")
for price in prices:
print(price.text)