The reference AB0139631C1P1 represents the luxury Breitling Navitimer B01 Chronograph 41. This specific iteration of the iconic pilot's watch sets itself apart by pairing technical aviation heritage with a gem-set diamond bezel and an elegant blue dial. Key SpecificationsMovement: Breitling Manufacture Caliber 01 (In-house, self-winding mechanical, COSC-certified chronometer) [0.30].Power Reserve: Approximately 70 hours.Case: 41 mm diameter, 13.6 mm thickness, made of stainless steel with a diamond-set bidirectional slide rule bezel.Dial: Blue with three silver-toned sub-dials (chronograph functions) and a date aperture placed at the 6 o'clock position.Caseback: Screwed-in sapphire crystal, making the movement fully visible.Strap: Blue alligator leather strap with a stainless steel folding clasp.Water Resistance: 3 bars (30 meters / 99 feet).