Ø 36.25 mm, quartz precision movement with rhodium-plated finish, end of battery life indicator, Power Reserve: 27 / 36 months, domed scratch-resistant sapphire crystal with anti-reflective treatment inside, screw-in crown, unidirectional rotating bezel, helium escape valve, date, stainless steel case and black dial and water resistant to 300m. All the watches from Rivoli Jewellers come complete with manufacturers packaging, warranties and instructions.