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🌊 Own the Depths, Command the Day – Dive Watch for the Modern Explorer
The RATIO FreeDiver Sapphire Crystal Diver Watch is a masterclass in combining rugged durability with refined style. Featuring a 200m water resistance rating, a scratch-resistant sapphire crystal with anti-reflective coating, and a trusted Japanese NH35 automatic movement, this 40mm stainless steel timepiece is engineered for both deep-sea diving and everyday sophistication. Its unidirectional bezel and secure clasp enhance safety and functionality, making it the ultimate watch for professionals who demand performance and prestige.



























| ASIN | B0CWTM31QZ |
| Additional Features | Scratch-Resistant |
| Age Range Description | Adult |
| Band Color | Silver |
| Band Material Type | Stainless Steel |
| Band Width | 22 Millimeters |
| Best Sellers Rank | #124,952 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #339 in Men's Wrist Watches |
| Brand Name | RATIO |
| Case Diameter | 40 Millimeters |
| Case Material Type | Stainless Steel |
| Case Thickness | 13 Millimeters |
| Clasp Type | Fold-Over Lock with Two-Button Deployment |
| Clasp type | Fold-Over Lock with Two-Button Deployment |
| Closure Type | Buckle |
| Crystal | Sapphire Crystal |
| Customer Reviews | 4.5 out of 5 stars 354 Reviews |
| Dial Color | Orange |
| Display | Analog |
| Embellishment Feature | Crystal |
| Face Style | Skeleton |
| Included Components | Diver-Style Clasp |
| Item Type Name | Diving Watch, Diver Watch, Dive Watch |
| Item Weight | 0.29 Kilograms |
| Item type name | Diving Watch, Diver Watch, Dive Watch |
| Item width | 20 millimeters |
| Manufacturer | RATIO |
| Manufacturer Part Number | RTF045 |
| Model Name | FreeDiver |
| Model Number | RTF049 |
| Power Source | Mainspring |
| Shape | Round |
| Sport Type | Diving |
| Strap Type | Bracelet |
| Style Name | Diver |
| Theme | Dive/Military |
| Unit Count | 1 Count |
| Warranty Type | Limited |
| Watch Movement Type | Japanese Automatic |
| Water Resistance Depth | 200 Meters |
| Water Resistance Level | Water Resistant |
M**C
Insane value
Without a doubt, some of the best value you can get in a diver watch. I've had this watch for a little bit now, and for around $100 it punches far above its weight. Dependable movement, solid build quality, and great looking. The watch is stunning in person, photos don't do it justice - I got the mint green shade, and it's beautiful. Within my first day of wearing it, had a few comments from coworkers and clients. It's solid, easy to read, and the lume is quite bright. Size is great, and so far, seems very durable - has that solid quality feeling to it. I have at this point around 20 watches, some sub $30, some in the hundreds, so not the largest collection ever, but I have a range, and have to say this is one of the most impressive I've gotten in terms of what you're getting vs what you paid for it.
J**E
Well priced for a well built watch
Exceptionally handsome watch, built well, screw-down crown, crisp bezel nice bracelet with easy release. Wears well not too heavy not too light, it's a medium size well suited for most wrists comfortable all day wrist hugger and so far rugged for most activities. The movement is a reliable brand and keeps time as well as more expensive automatics up to 40+ hrs. Initiation 30-35 hand wind. This is my third Ratio watch (I have one at 500m and another at 1000m both automatics) and I find that the build quality is very consistent and the watches are well priced for a whole lot of watch and competitive with others in their respective class.
B**N
High quality,low price
Great materials and build quality. Color resembles a turquoise pastel and is still very attractive. Has all the features and movement of much more expensive watches that are not nearly as stylish.
T**.
Truly fantastic value
Fantastic quality. This is so much watch for the money. Automatic Seiko movement, 316 stainless, screw down crown, and quality feel clasp. It feels so much more expensive in your hands and on the wrist.
C**R
Great watch cheap packaging
Great watch, it’s a great size if you have smaller wrists. Really good lume quality and easy to read hands. The sapphire crystal is great for durability and it’s a Seiko movement so I expect it last and be fairly accurate for the price. Only reason to drop a star was the packaging seemed incredibly cheap it was shipped in this plastic sheet material
S**.
My breakdown and review!
I wrote a long and detailed review on my instagram about this watch/brand. I would love to partner with them. I fully support Ratio watches! As a collector! I took a chance and I have to say I am beyond blown away by the quality of this RATIO Free Diver. Even the packaging, and I love the logo/name. Apparently this mint color is selling a popular one, but I love all the colors they offer! -200m WR (Pressure tested) -Signed Screw down crown -Slight domed Sapphire Crystal -Plenty of AR coating -The lume is great! -The bracelet is solid with solid end links AND a nice milled clasp. -It literally has ZERO rattle when you shake your wrist. NH35 Seiko Movement -24 jewels 21,600 bpm -316l stainless steel -Zero sharp edges -40mm (I prefer 42mm) but this works -20mm lug width -Screw down case back -4 micro adjustments on the milled clasp that is also signed with the logo. -Great taper on the solid link bracelet -The Crown screws down better than most, and the size is great! -The crown guards are excellent -bezel action is flawless and lines up perfect. 120 clicks. -Perfectly applied indices (I especially love the diamond shape at the 12 o'clock) Don't you love taking a chance on a small company and they blow you away? I'm not kidding when I say RATIO may be a small company in Singapore, but they are doing incredible things. This watch feels just as good if not better than a lot of my more expensive watches. I had full faith in this company!
M**Y
It’s cute and it works!
I love this thing! Feels solid. Looks solid. And works like a boss. Dove with it yesterday and it worked out pretty well. Had a couple dive buddies with their high end dive watches ask about it. They liked the look of it and one of them added it to their cart to buy. It’s water resistant for sure. Didn’t have a drop of moisture in it. It’s readable under water. The movement is smooth and accurate. The size of the case looks great on my wrist. Definitely worth it. I love the back with the diver on it. Glad I bought it.
D**Y
Great watch, durable and has all the features I expect from a higher end brand
Awesome watch at a great price point. I was surprised when I found this watch uses a Seiko movement which are very reliable. I dont do time loss tests but over the past few days Ive found it keeps time perfectly. I also really like that the it uses a sapphire crystal, something thats not even found on Seikos these days. Its slightly thicker then I expected due to the rotating bezel but its nothing to complain about. Very durable watch that I expect will last many years. The price and features make me think Ive overpaid on a lot of other watches only because of their brand name. 10/10 will buy another
Trustpilot
3 days ago
2 months ago