The name Viewmatic comes from the see-through caseback that offers an in-depth look at the automatic movement in operation. But, the front of this watch is just as captivating as the back! Caliber 2824-2. Automatic. Sapphire Crystal. Open Case Back. Water Resistance 5 bar (50 m) / 73 psi (164 ft). Stainless Steel. Brown leather strap. Silver Dial. 40MM