Stunning 1st example of the famous and very rare Blancpain Fifty Fathoms. Delivered to the US Navy in the late 50s and early 60s, this model is rare and seldom found in such original and perfect condition. A true collector’s Timepiece, not to be missed. 41mm diameter case (excluding the winding crown), unpolished and stunning case. Original and perfect bakelite rotating bezel. Equipped with a New NATO strap beautifully matching.