Oris Flight Timer BC4 Men’s Watch # 69076154154MB. Swiss made automatic self-winding mechanical movement. Black round dial with applied indices. Stainless steel case with see-through crystal skeleton case back. Stainless steel fine-brushed metal bracelet with locking clasp. Date calendar. Small seconds sub dial. GMT second time zone function (with day/night indicator). Quick set hour (forwards / backwards using the bottom buttons). Front crown operates inner directional bezel. Scratch-resistant sapphire crystal. Water resistant to 100 meters. Approximate case diameter: 42.7mm.