On the back of that successful A-1 Mod Case, Mod Mode Watches is pleased to offer the Ando Ando Ando A-1b Mod Case! For the first time, we’re pleased to offer a very limited run of AndoAndoAndo A-1b cases in GOLD. Only 20 of these cases were finished in POLISHED PVD GOLD. The case has been improved in a number of ways - including a screw-down case back and an easy-to-grip crown. Water resistance has also been improved to 100m. This case comes with Sapphire Crystal for both the front and the sapphire case back The case comes ready for NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72, 4R35, 4R36, 6R15, 6R35 and similar movements and will perfectly accommodate a 28.5mm dial. Specs Front Crystal: Sapphire Crystal Case Back: Exhibition back with Sapphire Crystal, secured with screws. Water Resistance: 10 ATM Color: Gold, Silver or Black Material: 316L Stainless Steel This case is rated for 100m water resistance with the appropriate gaskets and case back used. Facts and Figures: Case Diameter: 37mmLug to Lug: 42mmThickness: 11.5mmLug Width: 22mm Comes with:A-1b Mod CaseSapphire CrystalSapphire Case BackCase Back GasketCrown