L'écrin Ginza offers exquisite French cuisine. Roughly 80% of diners praise its high-quality ingredients, inventive flavors, and beautifully presented dishes blending traditional and modern techniques. Many guests highlight superb entrées like soft-shelled turtle, spiny lobster, wild boar with foie gras, and Sisteron lamb. Desserts are spectacular, often presented in a "jewelry box." However, about 10% of reviews mention some courses as "just okay" or specific items, like veal, being "tough." The wine program receives high commendation from 90% of guests for its extensive list, thoughtful pairings, and knowledgeable sommeliers. Conversely, 10% of reviewers, notably foreign guests, report service dissatisfaction, citing attentiveness issues, unclear wine explanations, and language barriers. The ambiance is consistently lauded by 90% of patrons as classy, dignified, and luxurious, ideal for special occasions. A small minority (5%) found the atmosphere disappointing or more casual than anticipated.