This Hydroscaph 500 piece Limited Edition Central Chronograph highly complex 103-part case is water-resistant to 500 meters and features the octagonal-shaped rotating bezel, fitted with a retractable flap that can be securely locked to prevent accidental deregulation, while mobile lugs ensure a perfect fit including over a diving suit. Two central hands provide an original and innovative short-time display. The first central sweep-seconds hand indicates the chronograph seconds, while its twin shows the minutes. This mechanical movement also drives the hour and minute hands, small seconds, a date display and a 24-hour day/night indication. This standout model is made of high- density steel, black DLC (diamond-like carbon), 3.0mm Glare-Proof Sapphire Crystal and Vulcanized Rubber Strap. Hand crafted in Switzerland with a Suggested retail price Excl. VAT 9.860 CHF