Simms II Jewelers 550 Main St, Winchester, MA01890 Simm's II Jewelers has been serving Winchester since 1977. Owner and Winchester native Artie Bennos, is an expert…More jeweler with over 30 years experience. He has several certifications and is a member of a variety of national jewelers organization and the Winchester Chamber of Commerce. Simm's II deals in fine pieces of jewelry made of fine metals and precious gemstones. All of the jewelry is of the highest quality and the diamonds are conflict-free. Simm's II also does jewelry repair and gemstone replacement, and they buy old gold and diamonds.