Oris BC4 Flight Timer 01 690 7615 4154-SET LS

BC4 Flight Timer : 01 690 7615 4154-SET LS

The Oris BC4 Flight Timer, reference number 01 690 7615 4154-SET LS, is part of the brand's BC4 collection. Released in [insert year], the watch features a distinctive cushion-shaped case made of steel, with a diameter of 42.7 mm. The transparent caseback allows a view of the caliber Oris 690 self-winding movement. This movement is notable for its ability to display a second time zone that operates independently from the primary time zone. The vertical crown positioned at 2:00 is used to control the inner rotating bezel, enhancing functionality for aviation enthusiasts. The overall style of the watch is robust yet sophisticated, making it suitable for both casual and professional settings.