Duro

The Casio Duro is a standout among affordable dive watches, earning its reputation thanks to a blend of Japanese reliability and classic tool-watch aesthetics. Originally designed to offer dependable performance for recreational divers, the Duro has found a devoted following among collectors and everyday wearers alike, especially after its high-profile endorsement by Bill Gates. Its straightforward design, featuring a bold 44mm case and unidirectional bezel, makes it a practical choice for those seeking a no-nonsense diver with genuine heritage.

Look for the MDV106-1A reference, which is the most popular variant, known for its black dial and signature marlin logo at six o’clock. There are occasional limited editions and subtle dial variations, but the core appeal remains the same: a reliable quartz movement (Casio’s own 2784 caliber) and 200 meters of water resistance, making it perfectly suited for swimming, snorkeling, or daily wear. The mineral crystal and screw-down crown add to its durability at this price point.

Price differences between Duro models generally come down to strap choices (resin, stainless steel, or aftermarket options), condition, and whether the original box and papers are included—collectors sometimes pay a premium for full sets, even at this accessible level. Given its mass-produced nature, there’s minimal concern about aftermarket parts or counterfeits, so focus on finding a well-maintained example with a smooth bezel action and crisp printing. The Duro is an ideal entry point into dive watches, offering real-world utility without collector headaches.