Casio Duro vs. Rolex Submariner: Which one is better? [2026]

The Casio Duro and the Rolex Submariner are both iconic dive watches, but they occupy opposite ends of the watch universe. The Duro, from the Japanese tech giant Casio, is a famously reliable and rugged quartz watch available for under $70, while the Submariner from Swiss icon Rolex is a luxury mechanical masterpiece that starts around $9,000 and represents the pinnacle of watchmaking prestige. The choice between them comes down to purpose: value-driven functionality versus timeless luxury investment.

Here’s everything you need to know to decide if you need a dependable tool watch or a piece of horological history.

Casio Duro MDV-106

Often called "the best value in watches," the Casio Duro MDV-106 has earned a cult following for offering legitimate dive watch specifications at an incredibly low price. It's a no-nonsense, quartz-powered timepiece designed for durability and function, making it a go-to choice for enthusiasts looking for a "beater" watch that can handle anything without causing financial anxiety.

• What it is: A highly affordable and durable quartz-powered dive watch with 200 meters of water resistance.
• Key features: Japanese quartz movement for accuracy, 200m (660ft) water resistance, unidirectional rotating bezel, luminous hands and hour markers, date display.
• Price: Around $50 - $70 USD.
• Materials/Construction: Stainless steel case, scratch-resistant mineral crystal, and a basic but functional resin strap.
• Sizing/Fit: A 44mm case diameter makes it a larger watch that works well on average to large wrists.
• Pros: Unbeatable price for its capabilities. Extremely reliable and maintenance-free quartz movement. Legitimate 200m water resistance. A classic, functional dive watch design.
• Cons: Mineral crystal is prone to scratching more than sapphire. The included resin strap feels cheap to some. At 44mm, it can be too large for smaller wrists. Lacks the prestige and fine finishing of luxury brands.

This watch is perfect for anyone needing a tough, reliable daily watch for work, hobbies, or travel without spending a lot of money.

Shop this product: casio.com/us/watches/casio/product.MDV-106-1AV/

Rolex Submariner

Introduced in 1953, the Rolex Submariner is arguably the most famous and recognizable luxury watch in the world. It set the standard for dive watches and has become a symbol of success, adventure, and impeccable craftsmanship. Built from superior materials and housing a precise in-house movement, the Submariner is both a professional tool watch and a celebrated piece of luxury jewelry.

• What it is: One of the world's most iconic Swiss luxury dive watches, known for its superb build quality, history, and status.
• Key features: In-house Swiss mechanical self-winding movement (COSC certified), 300m (1,000ft) water resistance, corrosion-resistant 904L steel case (Oystersteel), scratch-proof Cerachrom ceramic bezel and sapphire crystal.
• Price: Retail prices start around $9,000, with market prices on the secondary market often being much higher.
• Materials/Construction: Case and bracelet made from Rolex's proprietary 904L "Oystersteel," gold, or platinum. Sapphire crystal and ceramic bezel inserts ensure maximum scratch resistance.
• Sizing/Fit: Modern models are around 41mm, a versatile size for most wrists. The Oyster bracelet's Glidelock extension system allows for perfect micro-adjustments without tools.
• Pros: Timeless and versatile design goes with anything. Exceptional long-term investment, often appreciating in value. Superior durability from high-end materials. Incredible brand prestige and history.
• Cons: Extremely high price point. Very difficult to purchase at retail due to high demand and controlled supply. High cost of servicing and maintenance.

This is the watch for collectors, high-achieving professionals, and anyone who wants an investment-grade timepiece that doubles as a statement of enduring style.

Shop this product: rolex.com/en-us/watches/submariner

Casio Duro vs. Rolex Submariner Comparison

Price & Value

There is no more direct comparison than the price: around $60 for the Casio Duro vs. over $9,000 for a retail Rolex Submariner. The value proposition is entirely different for each. The Duro's value lies in its sheer capability-per-dollar. It offers 90% of a dive watch's core functionality for a tiny fraction of the cost.

The Submariner's value is in its craftsmanship, luxury materials, brand equity, and investment potential. While it costs over 150 times more, it often holds or gains value over time, making it an asset. The Duro is a purchase, the Submariner is an acquisition.

Quality & Materials

This is where the price difference becomes clear. The Rolex is built from superior materials from top to bottom. Its 904L stainless steel is more corrosion-resistant than the standard 316L steel on the Casio. Its sapphire crystal is virtually scratch-proof, whereas the Duro's mineral crystal can scratch. The Submariner’s ceramic bezel won't fade or scratch like an aluminum one could.

That said, the Casio Duro is remarkably tough. Its stainless steel case and 200m water resistance are more than enough for recreational diving and any daily activity you throw at it. The Rolex is built to last several lifetimes with proper care, the Casio is built to be a reliable and replaceable tool.

Movement & Precision

Inside the Duro is a simple Japanese quartz movement powered by a battery. It is low-maintenance and incredibly accurate, typically losing only a few seconds per month. It's a practical, "set it and forget it" system.

The Rolex Submariner contains a fine piece of mechanical engineering: a Swiss-made, in-house automatic movement that is powered by the motion of your wrist. While meticulously adjusted to be precise (within -2/+2 seconds per day for COSC certification), it's less accurate than a quartz watch. Owning one involves appreciating the art and craft of mechanical watchmaking, not simply seeking raw accuracy.

Style & Aesthetic

Both watches follow the classic dive watch design template. The Casio Duro has a very straightforward, sporty, and utilitarian aesthetic. Its prominent case and simple dial make it look functional and rugged.

The Rolex Submariner defines timeless elegance. Its proportions, finishing, and iconic dial design are flawless, making it one of the few watches that look equally appropriate with a wetsuit or a business suit. It is refined, sophisticated, and instantly recognizable.

Which One Should You Choose?

Your choice depends entirely on your budget, your priorities, and how you view a watch - as a tool or as a treasure.

Choose the Casio Duro if:

• Your budget is under $100.
• You need a durable, reliable "beater" watch for work, travel, or tough activities.
• You prioritize grab-and-go convenience and pure functionality over prestige.
• You want an introduction to dive watches without a serious financial commitment.

Choose the Rolex Submariner if:

• Price is not the primary factor, and you desire a masterpiece of watchmaking.
• You appreciate the art of mechanical movements and superior materials.
• You want a timeless status symbol that also serves as a strong long-term investment.
• You plan to pass the watch down through generations.

Frequently Asked Questions

What's the main difference between the Casio Duro and Rolex Submariner?

The main differences are price, movement, materials, and brand prestige. The Casio Duro is an affordable ($60) quartz watch with good-quality functional materials, while the Rolex Submariner is a luxury ($9k+) mechanical watch made with exceptionally high-end materials and backed by one of the most powerful brand names in the world.

Can you actually dive with a Casio Duro?

Yes. The Casio Duro has a 200-meter (660 feet) static water resistance rating, making it entirely suitable for recreational scuba diving, swimming, and snorkeling.

Why is the Rolex Submariner so expensive?

Its price is due to several factors: the costly, high-grade materials used (like 904L steel and sapphire), the research and development behind its precise in-house mechanical movement, the intensive labor and craftsmanship required, and Rolex's immense brand heritage and marketing power.

Is a Rolex Submariner a good investment?

Historically, stainless steel Rolex Submariners have been excellent investments, often holding their value or appreciating significantly over time due to high demand and limited supply. However, past performance is no guarantee of future results.

Which watch is more accurate?

Technically, the battery-powered quartz movement in the Casio Duro is more accurate. It may only gain or lose a few seconds per month. A mechanical Rolex Submariner is a certified chronometer for its precision, accurate to within a few seconds a day, which is exceptional for a mechanical movement.

Is the Casio Duro a homage to the Rolex Submariner?

While the Duro shares classic dive watch design language popularized by the Submariner, it's not considered a direct homage or copy. It has its own distinct design elements, proportions, and iconic Marlin logo, giving it a unique identity in the watch community.

Which one is more durable?

Both are extremely durable, but in different ways. The Submariner's sapphire crystal and ceramic bezel make it far more scratch-resistant. However, the Duro's low cost means it can be worn completely without care. Many would argue the Casio is the better daily "beater" because damaging or losing it isn't a financial catastrophe.