is this seat pitch quote incorrect?

Every passenger can check In 2 pieces of luggage with 32kg each. On board luggage is limited
to one piece per Passenger, and should not exceed 55x40x20cm and 6kg.

The route Munich-Berlin and back is normally operated by Boeing 737-300 or B737-500 aircraft. The
seating is 3-3 and the leather seats are 45cm wide. The seat pitch is 36cm.