The Zeppelin LZ 127 Graf Zeppelin 7666-4 is a men's automatic watch featuring a brown dial with Arabic numerals and an open-heart display at the 6 o'clock position. It has a 40 mm stainless steel case, a brown leather strap, and is powered by the Citizen-Miyota 82S5 movement with a 42-hour power reserve. The watch offers 5 ATM water resistance and is protected by K1 mineral crystal. Reference number: 7666-4.