New Yorker Diner is located at 39 Mount Auburn St, Watertown, MA. This business specializes in Restaurants Diners. New Yorker Diner is open Mon, 6am-2pm; Tue, 6am-2pm; Wed, 6am-2pm; Thu, 6am-2pm; Fri, 6am-2pm; Sat, 6am-2pm; Sun, 6am-2pm and accepts American Express, Discover, Mastercard and Visa.