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Our Top 5 40mm Dive Watch (Buying Guide)

A passion for diving watches combined with tiny wrists is an unlucky mix that affects many watch enthusiasts. Fortunately, with the increased desire for vintage timepieces, a flood of smaller contemporary watches are ideal for folks with tiny wrists. Luckily, 40mm diving watches are available that will match your wrist and style.

WatchBrandOur RatingCheck Price on Amazon
Timex Weekender 40mm Dive Watch
Invicta Pro 40mm Dive Watch
Casio Illuminator 40mm Dive Watch
Invicta 9094 40mm Dive Watch
Timex Standard 40mm Dive Watch

What distinguishes a “diving” watch?

A diving watch can be defined by a variety of factors. First and foremost, the watch must be waterproof to a depth of at least 100 meters. The watch must also have a certain amount of magnetic, mechanical, and shock resistance. 

They must also be able to track dive time. This can be computerized, but in mechanical timepieces, it’s commonly present in the form of a spinning bezel. Divers required a means to tell how much they had been underwater. Therefore, this was quite handy. The watch must also be legible even in total darkness. 

This generally entails significant, legible minute markers and luminous facial features. On battery-powered watches with power reserve, the strap or band should be able to withstand at least 45 pounds of stress at either attachment point, and there should be some means to detect when the watch is dying.

Our Top 40mm Dive Watch

The #1 Choice

Our Top Pick: Timex Weekender 40mm Dive Watch

Product Name: Timex Weekender 40mm Dive Watch

Product Description: This Timex Weekender 40mm Dive Watch includes an adjustable blue 20mm nylon slip-thru strap that suits wrist circumferences up to 8 inches. It sports a one-of-a-kind Cream dial with complete Arabic numerals and a 24-hour military time. The large numbers will allow you to see properly even while submerged. With its silver-tone 40mm brass casing and mineral glass crystal, this diving watch stands out. It is water-resistant up to 30 meters and can survive splashes, making it an absolute must for any water excursions. The night-light function makes it possible to read in low-light conditions. When you're not in the water, you may wear it with any outfit. The flexibility of this timepiece makes it a wise investment. With its price, you make every dollar count.

Availability: InStock

  • Durability
  • Style
  • Versatility
  • Value for money


Timex’s 40mm Dive Watch combines the endurance and design of a high-end timepiece. It is a reasonably priced diving watch that does not sacrifice quality; this is a watch you should own. Its huge printed numerals will improve your visibility on land and in the water. This is also available in a variety of colors to suit your style, personality, and mood.


Numbers are visible in the dark


Limited syle is available


Invicta Pro 40mm Dive Watch


Photo Credits: Amazon

The casing of the Invicta Pro 40mm Dive Watch is comprised of steel and gold-tone stainless steel, enhanced by its classic style and performance, making it remarkable. The automatic watch of this diving watch is two-tone.

The electric blue dial is intended for rapid and simple readability so that you can see the time even in low light circumstances. This watch features three hands, luminous hands and markings, and a magnified date display at three o’clock.

This diving watch is powered by a Japanese electrical motor, making it one of the most dependable watches on the market. It is water-resistant to a depth of 200 meters. You may now dive into the water and explore aquatic life without having to worry about your watch.

  • Stylish
  • Durable
  • Versatile
  • Limited colors available

Casio Illuminator 40mm Dive Watch


Photo Credits: Amazon

The stainless steel band of the Casio Illuminator 40mm Dive Watch includes a fold-over clasp fastener. This dive watch is ideal for any tourist, whether you’re diving or trekking; it’s the watch for you.

With its analog and digital readouts, you can view the time in up to two time zones, and the global time function eliminates the need to guess how many hours difference there is between your current location and your home. This is an unusual function in a diving watch, with just a few companies providing it. When it comes to this, Casio has dependable engineering.

The raised bezel on the circular watch case frames the silvery blue dial, which features a complete Arabic numeral display and illuminated dagger-style hands. This watch is jam-packed with technological features that will assist you while you wear it.

  • Sleek design
  • Durable
  • Affordable
  • Limited design available

Invicta 9094 40mm Dive Watch


Photo credits: Amazon

This Invicta 9094 40mm Dive Watch is a mechanical timepiece that does not require a battery. When worn regularly, the wrist movement allows the mainspring to wind progressively, avoiding the need for extra winding.

It features a Mineral crystal feature that makes it a fashionable and charming accessory. This is appropriate for professional maritime activities as well as surface water sports. The casing of this accurate clock is made of pure silver stainless steel. The bezel is blue and unidirectional, with silver markings and coin-edged, scalloped accents.

This diving watch stands out from the crowd because of its complex design. You may wear this while diving or at a fancy dinner, and it will blend in. Whatever the occasion or activity, its long-lasting construction ensures that it will last a lifetime.

  • Elegant
  • Durable
  • Versatile
  • Price is a little higher

Timex Standard 40mm Dive Watch


Photo credits: Amazon

The Timex Standard 40mm Dive Watch boasts a blue dial face with a nightlight for visibility underwater in the dark. The Arabic numbers, minute track around the periphery and brand name are all written in strong writing for increased visibility.

It is water-resistant to a depth of 30 meters. This is resistant to splashes and immersion in water. Take pleasure in your water trip in elegance. It has a Round brushed black gold-tone brass metal casing that frames the watch appealingly and classically. This diving watch has a three-hand analog display and is powered by a quartz movement.

  • Durable
  • Stylish
  • Visible in the dark
  • Price is a little higher

The Advantages of Using Diving Watches

Even while diving watches have been around for quite some time, they are becoming trendy not just with divers but also with certain watch lovers looking for strong and attractive timepieces. However, there are various diving watches available on the market nowadays. Our top five options are five of the best on the market. 

Whether you are a seasoned diver or just starting, employing diving timepieces such as tritium dive watches may provide you with several advantages.

✔️Its Sturdy Structure

The strong design of diving watches allows these timepieces to withstand pressure without being damaged. A dive watch’s appearance indicates that it is a sturdy timepiece ideal for your diving excursions. In most cases, strong water resistance equates to great durability. 

Diving watches not only appear to be tough but really are. Even if you don’t usually wear it underwater, it is designed with more durability in mind than standard sports or dress watches. Therefore, if you desire a watch that will not be damaged underwater, investing in an excellent diving watch is worthwhile.

✔️ Readability in a Variety of Situations

Whether it’s day or night, wherever you may be, you can rely on some of the best dive computers or diving watches to tell you the time. A diving watch is designed to be simple to read in a variety of settings, both on land and underwater. 

You can easily tell the time with just a glance at this watch regardless of whether an electric or natural light is present. Excellent diving watches are extremely useful at all times and in all places. Select the best one based on your interests.

✔️Reliability Underwater

Diving watches are subjected to several standardized tests to imitate the conditions in which they are anticipated to perform. A diving watch’s dependability in terms of corrosion resistance is also assessed, which entails many tests. 

Dive watches are frequently plunged for 50 hours at a depth of 30 cm to test their accuracy. Then it will be subjected to a shock test conducted. Experts perform all of these tests to assure that diving watches will function properly underwater.

✔️It is Waterproof

Water will never be an issue with diving watches. Based on the depth rating, these watches can survive pressure underwater. However, what distinguishes it from other water-resistant watches is that it does not sustain harm when submerged for an extended period. 

The fundamental distinction between water-resistant watches and diving watches is that they cannot be used underwater. The purpose for this is that their depth degrees are lower than those of diving watches.

✔️It features one-of-a-kind Useful Features

One of the most significant advantages of diving watches is that they are packed with a variety of important diving functions. Some diving watches include backlights, but the majority of them have luminous dials that are suitable for underwater use. Other high-end clocks employ tiny tritium-filled gas tubes. 

Helium-release valves, whether automatic or manual, allow has to escape during decompressing. There are also diving watches with additional dials on the main face that may be used to measure time separately and as stopwatches and timers with greater accuracy.

How does a Diving Watch Function?

Diving watches exist in a range of styles and movements; thus, the watch’s inner workings vary. 

Quartz watches are supported by batteries that vibrate in the watch at a set rhythm. These watches are extremely precise and cheap to produce, but they miss some of the workmanship of a mechanical watch. 

Mechanical watches are entirely technical. However, they must be wound regularly to keep the mainspring tensioned and the watch functioning. Automatic watches work similarly to mechanical ones, but they feature a system for capturing kinetic energy to keep the watch wound.

Frequently Asked Questions

Q: What size should a diving watch have?

A: Watches in the 40 to 42mm range are now considered “normal,” and if you’re searching at a chronograph or diving watch, it’s likely to be a few millimeters larger.

Q: Are diving watches larger in size?

A: Dive watches are larger by design, and unless you have particularly slender wrists, a 40 mm watch will be enough in terms of aesthetics.

Q: Can a dive watch be worn daily?

A: It may be worn daily even if you are not participating in any aquatic activities. That is the beauty of diving watches: they look well with every dress and occasion. Its adaptability is what distinguishes it.

Q: Do Dive watches have a decent appearance?

A: Most divers’ timepieces go with almost any attire. Divers’ timepieces, while definitely on the sportier side of the stylistic spectrum, are more adaptable than you may imagine.

Q: Why do you require a diving watch?

A: The depth and time of the dive are determined by using a diving watch, which is required.

Final Thoughts

Even if you can use any watches for regular activities, you must use a diving watch if you wish to go diving. Having it allows you to know the current time and how long you’ve been underwater. It also allows you to keep track of your time without needing to depend on your dive group or diving companion. 

Do your own study on the best dive watch for your diving needs if at all feasible. However, keep in mind that several diving watches are on the market, each with its own depth sensor and characteristics. And because dive watches are so vital in diving, it is always advisable to pick the best and correct decision.