Seed press wheel (1) for sowing units for precision seeders, comprising a solid tyre (2) in the shape of a disc that has a hole or central axis for mounting said tyre on a hub (4), the solid tyre (2) comprising a first portion (7, 8, 9) extending radially from said central axis, and a second portion (7, 8, 9) extending radially from said first portion (7, 8, 9), the first portion (7, 8, 9) being made of a first material (7A, 7B, 7C) having a first modulus of elasticity value (E1, E2), and the second portion (7, 8, 9) being made of a second material (7A, 7B, 7C) having a second modulus of elasticity value (E1, E2), the first modulus of elasticity value (E1, E2) being different from the second modulus of elasticity value (E1, E2).