Here is the full list of all 50 F1 2019 achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
Register a time trial entry on every track
Make an adjustment within photo mode
Complete the "2018 FORMULA 2 WORLD CHAMPIONSHIP" championship event
Win a 25% distance (or longer) F1 race at Monaco (any difficulty)
Win a 25% distance (or longer) race against Ultimate AI opponents
Reach maximum showman rating
Reach maximum sportsman rating
Accept a contract with Williams, Racing Point, Renault, Toro Rosso or Haas
Finish ahead of Devon and Lukas by the end of an F1 Season
Win the F1 Constuctors' Championship
Win the F1 Drivers' Championship
Accept a contract with Red Bull, Ferrari or Mercedes
Apply all vehicle upgrades from one department
Set the fastest time in all 3 practice sessions, take pole position and win the Grand Prix
Get promoted to first driver
Finish ahead of Lukas or Devon in an F1 race
Complete the first weekend of an F1 season.
Achieve a Gold skill rating
Reach Level 50 XP
Set a favourite trophy
Win a league medal
Reach Level 25 XP
Complete a race using the Ferrari F2004 at Monza
Complete a Featured Event
Win a race whilst using manual transmission
Get on the F1 podium for the first time
Complete an F1 race with all driving assists turned off
Achieve a safety rating of A in multiplayer mode
Obtain a livery for your multiplayer car
Reach Level 10 XP
Play a captured highlight
Tell Jeff to be quiet
Complete 10 races online
Change your driver's appearance
Complete a Weekly Grand Prix
Complete all events in a Weekly Grand Prix
Get pole position
Reach Level 5 XP
Spectate an online race
Read information on a car in the showroom
Choose a player badge
Join a league
Complete an F1 practice programme in Career Mode
Activate DRS perfectly on all zones of any track
Accept a contract with McLaren or Alfa Romeo
Complete the F2 feeder series and start to pursue a move to F1
Complete a clean race
Complete your first race with an F2 car in career mode
Complete an F1 Time Trial in wet conditions.
Activate a Flashback during a race