The band for this watch can be adjusted to fit comfortably between the following wrist circumferences.
150 - 205mm (5.9 - 8.1in)
Wrap a garment measuring tape snuggly around your wrist just below the wrist bone. Alternatively use a piece of string and then measure the string length with a ruler. The average wrist size for men is 6.5-7.5", and for women is 5.5-6.5".
How to choose the right case size
Case diameter determines the watch size: it’s the width of the watch case, excluding the crown. Small wrists (<6") suit 28–36mm, average (6–7") fit 36–42mm, and larger wrists (7"+) can wear 42mm+. Smaller cases can feel refined or vintage-inspired, while larger ones make a bold, modern statement.
The band for this watch can be adjusted to fit comfortably between the following wrist circumferences.
150 - 205mm (5.9 - 8.1in)
How to measure your wrist size
Wrap a garment measuring tape snuggly around your wrist just below the wrist bone. Alternatively use a piece of string and then measure the string length with a ruler. The average wrist size for men is 6.5-7.5", and for women is 5.5-6.5".
How to choose the right case size
Case diameter determines the watch size: it’s the width of the watch case, excluding the crown. Small wrists (<6") suit 28–36mm, average (6–7") fit 36–42mm, and larger wrists (7"+) can wear 42mm+. Smaller cases can feel refined or vintage-inspired, while larger ones make a bold, modern statement.
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Warranty
Your Timex® watch includes a limited manufacturer’s warranty covering defects in materials and workmanship for a period of one year from the original purchase date.
Add optional protection with Extend in your cart or checkout for coverage against accidental damage and mechanical failure beyond the standard warranty.
With its high strength-to-weight ratio and enhanced hardness, this premium titanium delivers rugged durability without the added weight.
The HNBR synthetic rubber strap offers a soft, comfortable fit on the wrist and enhanced resistance to water, heat, corrosion, and UV rays.
Automatic watches have no battery. Instead, these "self winding" movements use the natural movement of your wrist as a power source.
Some Watches Fear the Water. This One Calls It Home.
The Deepwater Meridian 300 is expertly engineered with 300m of water resistance and a 44mm case rendered in grade 5 titanium. This premium titanium is known for its superior strength-to-weight ratio and increased surface hardness, delivering lightweight durability that won’t slow you down in the water. An automatic helium escape valve, positioned on the case beside 10 o’clock, allows for the release of trapped helium to prevent damage to the crystal during decompression. Ticking inside...The Deepwater Meridian 300 is expertly engineered with 300m of water resistance and a 44mm case rendered in grade 5 titanium. This premium titanium is known for its superior strength-to-weight ratio and increased surface hardness, delivering lightweight durability that won’t slow you down in the water. An automatic helium escape valve, positioned on the case beside 10 o’clock, allows for the release of trapped helium to prevent damage to the crystal during decompression. Ticking inside is a Miyota 8215 21-jewel automatic movement, and we’ve equipped this timepiece with a screw-down crown and screw-on case back, a sapphire crystal with anti-reflective coating, a sturdy crown protector, a unidirectional ratcheting top ring, and Nemoto LumiNova® SG2200 in-fill on the dial, bezel, hands, and hour markers providing the luminosity you rely on as you venture below. Its rugged build is complete with a UV-resistant HNBR synthetic rubber strap, perforated for enhanced breathability and equipped with quick-release spring bars for fast strap changes on deck and beyond.
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Specifications
Product ID
TW2Y48300
Automatic Movement
Automatic watches have no battery. Instead, these "self winding" movements use the natural movement of your wrist as a power source.
Movement
Miyota
Caliber
8215
Country of Origin
Japan
Power Reserve
Approximately 42 Hours
Jewels
21 Jewels
Accuracy
-20/+40 sec/ day
Hacking Seconds
Yes
Grade 5 Titanium Case
With its high strength-to-weight ratio and enhanced hardness, this premium titanium delivers rugged durability without the added weight.
Case Diameter
44 mm
Lug-to-Lug Distance
51 mm
Case Height
15 mm
Case Material
Titanium
Case Color
Titanium
Case Finish
Beadblasted
Dial Color
Green
Dial Markings
Markers (Full)
Battery Type
Automatic
HNBR Synthetic Rubber Strap
The HNBR synthetic rubber strap offers a soft, comfortable fit on the wrist and enhanced resistance to water, heat, corrosion, and UV rays.
Band / Lug Width
20 mm
Band Material
HNBR
Band Color
Black
Band Buckle
Buckle
Sapphire Crystal
Nearly impossible to scratch, the sapphire crystal lens is as hard and clear as a gemstone. There are only a few materials known to the world that can scratch it.
Sapphire Crystal
Scratch-resistant
Sapphire is the hardest crystal available. Given its hardness it is near impossible to scratch, however, it can be prone to shattering if subjected to a heavy impact. Its scratch resistance is very desirable and as such there is a higher cost to sapphire versus other crystals.
Acrylic Crystal
Highly impact-resistant
Mineral Crystal
Enhanced durability
Sapphire Crystal
Scratch-Resistant
Water Resistant to 300 Meters
This watch is built for deep-sea exploration and is designed to withstand high-pressure underwater conditions up to 30 atmospheres.
300m
Water Resistance
This watch is built for deep-sea exploration and is designed to withstand high-pressure underwater conditions up to 30 atmospheres.
30m
Light rain, sweat & splashes.
50m
Short swims.
100m
Swimming, snorkeling & surfing.
200m
Recreational scuba-diving.
300m
Deep-sea exploration.
Screw-Down Crown
The screw-down crown reinforces the case, enhancing water resistance with a secure, durable seal.
Ceramic Bezel Inlay
Bezel is fitted with a premium ceramic inlay known for its durability and lightness.
Premium Luminescence
Powered by a brief exposure to light, the Japanese Nemoto LumiNova® SG2200 in-fill emits a bright glow that's strongest at first and gradually fades over time.
Unidirectional Turning Top Ring
Used to track elapsed time, a unidirectional rotating top ring moves in one direction only to prevent accidental adjustment and maintain timing accuracy.
Helium Escape Valve
A classic feature of true dive watches, the helium escape valve resembles the watch's crown and functions as a one-way valve, releasing trapped helium gas during decompression. While you likely won't be needing it during your everyday wear, it adds to the bold, diver-inspired aesthetic of this timepiece.
Features
Titanium Case
Helium Escape Valve
Enhanced Visibility
Automatic Movement
UV-Resistant Rubber Strap
Try It On
Case Diameter
44mm
Case Diameter
44mm
Try It On
Case Diameter
44mm
Wrist Size (in)
Band Size
The band for this watch can be adjusted to fit comfortably between the following wrist circumferences.
150 - 205mm (5.9 - 8.1in)
Wrap a garment measuring tape snuggly around your wrist just below the wrist bone. Alternatively use a piece of string and then measure the string length with a ruler. The average wrist size for men is 6.5-7.5", and for women is 5.5-6.5".
How to choose the right case size
Case diameter determines the watch size: it’s the width of the watch case, excluding the crown. Small wrists (<6") suit 28–36mm, average (6–7") fit 36–42mm, and larger wrists (7"+) can wear 42mm+. Smaller cases can feel refined or vintage-inspired, while larger ones make a bold, modern statement.
The band for this watch can be adjusted to fit comfortably between the following wrist circumferences.
150 - 205mm (5.9 - 8.1in)
How to measure your wrist size
Wrap a garment measuring tape snuggly around your wrist just below the wrist bone. Alternatively use a piece of string and then measure the string length with a ruler. The average wrist size for men is 6.5-7.5", and for women is 5.5-6.5".
How to choose the right case size
Case diameter determines the watch size: it’s the width of the watch case, excluding the crown. Small wrists (<6") suit 28–36mm, average (6–7") fit 36–42mm, and larger wrists (7"+) can wear 42mm+. Smaller cases can feel refined or vintage-inspired, while larger ones make a bold, modern statement.
Merging resilience and elegance with crucial functions for underwater pursuits, our Deepwater Collection is expertly engineered to venture deep at 200m water resistance.
Our Deepwater collection survived extreme pressure testing, as free diver Francesco Sena descended 42 meters to the limits of Y-40 in Italy, the world’s third deepest pool.
Our Promise for the Next 170 Years
Since 1854, no other watchmaker has ever been able to match our ability to put a well-crafted watch on your wrist, while leaving money in your pocket. Every Timex is a testament to our legendary durability and value, and a reminder to make time yours.
The Deepwater Meridian 300 Titanium HEV Automatic 44mm watch impresses with its striking color, high-quality synthetic rubber strap, and great build quality. Customers appreciate its perfect size and sturdy feel, making it a reliable companion for underwater adventures. The watch's design and durability are consistently praised, ensuring it meets the needs of discerning buyers.
Summary topics
Watch Color (9%): It was highlighted by customers that the color of the watch is beautiful and striking, with many loving it.
Product Quality (11%): Customers keep praising the great quality of the product, mentioning it multiple times in their reviews.
Watch Appearance (8%): Customers loved the look of the watch, with many describing it as great, awesome, and awesome.
Strap Quality (11%): Customers raved about the comfortable and high-quality strap, praising its design and durability.
Watch Size (9%): It was reported by customers that the size of the watch is perfect and much heavier than expected.
Review topics: [quality, watch].
Review highlights
"I love the watch color, case, matching dial and the strap fits me perfectly." — Michael D.
"Awesome watch, love the color and size." — Eric S.
"The case is beautifully finished, and I love the solid feel if it!" — Phillip
Reviews
The dial and lum seem
"The dial and lum seem great - and I like the style. Titanium case seems good too. But the overall quality isn't great. Fake He port, strap isn't high quality, movement isn't anything special at all and feels loose. Not the type of quality you would expect at this price - so not recommended. This isn't Timex producing a new quality watch. This is Timex trying to make a Timex+ watch - not to be confused with even less expensive alternatives that are significantly more premium. Same old Timex, just more expensive. Call me back once you decide to make something special - this isn't it."
— Robert F. (3/5)
Trying it on, the strap
"Trying it on, the strap is again, too large for me. I understand that the rubber strap is made to be worn over thick neoprene wetsuit, but a watch strap for diving should be an aftermarket purchase, and a sports strap should be standard issue. I had to purchase one from Strapsco. It doesn't take much to manufacture a strap that will accomodate 5.8" and up, so I wish they would. Now on to the watch itself: It is everything I had wished for. It is lighter than watches comparable to this size. It feels as if I am wearing a resin-bodied watch. The dial lights up with just a hint of an outside light source, which is something I've never seen before. Amazing. I can read it without my glasses in pitch black night. The light green of the dial is a first for me and no need to get another variation. This is a one and done, perfect dive watch."
— Marlon B. (5/5)
Q&A
Where is it made? China?
Hello Charles! The Deepwater Meridian 300 Titanium HEV Automatic 44mm HNBR Synthetic Rubber Strap Watch has a country of origin of Japan. We hope this helps clarify the country of origin for this model!
What’s the movement?
Hello Matthew! The automatic movement in the Deepwater Meridian 300 Titanium HEV Automatic 44mm HNBR Synthetic Rubber Strap Watch is the Miyota 8215, a reliable 21-jewel automatic movement.
I pre ordered the TW2Y48300, and would like to purchase an additional titanium bracelet. is that possible?
Hi Eric! Unfortunately, we do not sell a separate titanium replacement bracelet for the Deepwater Meridian 300 Titanium HEV Automatic 44mm HNBR Synthetic Rubber Strap Watch. The watch is currently only available with HNBR Synthetic Rubber Strap Watch.
What is its power reserve (or run time when fully-wound)?
Hello Marlon! The Deepwater Meridian 300 Titanium HEV Automatic 44mm HNBR Synthetic Rubber Strap Watch has a power reserve of approximately 40 hours when fully wound.
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