Final measurement:
width under the sleeves: 52(S), 54(M), 57(L), 61(XL);
back length: 73(S), 75(M), 77(L), 79(XL);
sleeve length on the outer edge: 23(S), 24(M), 25(L), 26(XL);
The models' parameters:
He is 190 tall, chest 91, waist 79, hips 94. He is wearing a size L.