Inspired by its namesake depth rating (one fathom = 6 feet), the iconic Fifty Fathoms is a legendary diver’s timepiece built for performance and durability. This model, with reference 5015-12B30-B52A, features a brushed titanium case paired with a striking black sunray-finished dial. Attached to the case is a leather-lined nylon strap, with a pin buckle closure. The applied hour markers and hands are filled with luminous material for optimal legibility underwater. The uni-directional rotating bezel features a luminous scale and is uniquely protected by a domed sapphire crystal, offering exceptional resistance to scratches and nicks. A discreet date window is positioned between 4 and 5 o’clock.

Inside, the watch is powered by the highly regarded Blancpain Caliber 1315, an anti-magnetic automatic movement with a silicon balance spring. It beats at 28,800 vph (4Hz), is composed of 227 parts and 35 jewels, and offers an outstanding power reserve of approximately 120 hours (5 days). Accompanying the watch is a protective waterproof case, watch roll, outer cardboard box, diver’s logbook, leather technical and service booklet, calendar card, privacy notice, dust cloth, manufacturers booklet, and warranty card dated in 2023. The condition of this timepiece is is good, with the exception of superficial scratching throughout the case and pin buckle and minor nicks on the edge of the bezel.