This vintage suit was made in the 1960s by Selkirk Clothes and has narrow peak lapels.
Chest (pit to pit): 22-1/2″ (doubled = 45″)
Shoulder to shoulder: 18-1/2″
Sleeve (shoulder to cuff): 25-1/4″
Length (base of collar to hem): 30-1/2″
Waist (side to side): 16″ (doubled = 32″)