Series8 831 NB6050-51WRepresenting the embodiment of thoughtful design and an ultra clean execution, the new Series8 831 features a 40mm silver tone stainless steel faceted case alongside the best of Citizen's brushed and polished finishing techniques. Water resistant to 100m and able to withstand magnetic fields up to 16,000 A m, the watch is powered by the high performance Caliber 9051. The automatic movement is visible through a sapphire exhibition case back and is