You will need stitch holders and 3 buttons.

Finished measurements
Chest circumference: 37( 41.25, 45.25, 49.5, 53.25, 57.25)“ 94( 105, 115, 125, 135 ,145) cm
Finished Length: 26.75( 27.5, 28.25, 29.25, 29.5, 30)” 68( 70, 72, 74, 75, 76) cm
Sleeve seam: 18.5( 19, 19.25, 19.75, 20, 20.5)“ 47( 48, 49, 50, 51, 52) cm

Yarn used:
Sirdar Country Classic 4 Ply
Shown in both shades 965 Teal and 973 Black
9(10, 11, 12, 13, 14) balls