As a general rule, an overcoat is about the same price as a two piece suit. The number of fittings depends upon the tailor, whether you demand multiple fittings, and any special or unusual fit issues (e.g., hunchback). My tailor requires two sessions. First is to measure and place the order. The second is the basted fitting. From there, the coat is finalized. Good luck.
9/22/14 at 2:56pm