Grand Seiko Heritage Mechanical Hi-Beat 36000 GMT 44GS 55th Anniversary Limited Edition 40 mm watch. Model reference: SBGJ255 or SBGJ255G. Titanium case. White dial. Automatic movement. Titanium bracelet. Made in Japan. Watch comes in original packaging, with set of documents and warranty. At Watches of Mayfair we offer new authentic watches at the best prices.