re: re: Questions About Speedmaster 3523 (1151) by sung2nong on Jul 13,2006 12:37 AM Your watch is 3523.51 so it is Speedmaster Automatic "Day-Date Japan 2002", analog date and 24 hours display, day and month, steel case 30 meters waterproof, with bracelet, AR coated sapphire crystal, black dial. You can compare your watch with the picture in the internet, it should be identical. If you still have queries, let's bring your watch to the watch shop to ask them open your watch and you will know exactly. Best wishes