... your requirement, 3 OEM. High quality silicone nurse watchMovement: life expectancy of 10 years, the monthly error of ≤ ± 30sBattery: Original ... Battery SR626SW 3 years battery life; Case: Case made of high quality zinc alloy material, waterproof structure, fine polishing, plating ... company has complete and scientific quality management system, we get the only supplier of the watch & clock honorary ...