San Martin SN0009 40mm Automatic Diver Watch – Enamel Dial, Sapphire, 300M
The San Martin SN0009-G-D is a modern reinterpretation of a classic diver: compact, functional, beautifully finished, and engineered for enthusiasts who value precision and durability. Featuring a 40mm 316L stainless steel case, sapphire crystal, ceramic bezel, and the reliable YN55 automatic movement, this model blends luxury finishing with professional-grade dive capability.
Available in Enamel Blue and Enamel Black, the SN0009 represents San Martin’s signature craftsmanship — from the GS-craft hands to the 3D shark motif caseback and the newly upgraded on-the-fly adjustable clasp.
Key Features
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40mm compact diver case
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YN55 automatic mechanical movement
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Sapphire crystal with AR coating
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Enamel dial with GS-craft hands
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300M / 30BAR professional water resistance
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Ceramic bezel insert with luminous pip
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Solid 316L stainless steel bracelet
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Upgraded adjustable clasp
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BGW9-X1 blue luminous effect
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Screw-down crown + 3D shark caseback
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Two-year warranty
Design & Dial
The SN0009 features a true enamel dial — deep, glossy, and distortion-free — giving the watch exceptional depth and clarity. GS-craft hands and polished applied markers, each treated with BGW9-X1 lume, provide crisp visibility day and night.
The date window at 3 o’clock is neatly framed, ensuring balance without clutter.
Case, Crown & Bezel
The 40mm case is crafted from 316L stainless steel with a mix of brushed and polished transitions. The ceramic bezel features 120 precise clicks, excellent grip, and a luminous 12 o’clock marker.
The screw-down crown carries the signature San Martin hexagon logo, ensuring secure sealing and easy operation.
Caseback & Bracelet
The screw-down caseback features the distinctive 3D shark engraving, a nod to the watch’s diving heritage.
The bracelet is fully solid, tapering from 20mm to 16mm, and fitted with San Martin’s new upgraded on-the-fly adjustable clasp, allowing micro-adjustments without tools.
Lume Performance
BGW9-X1 lume provides strong blue illumination on hands, indices, and bezel pip, ensuring clarity even in complete darkness.
Full Specifications
| Specification | Details |
|---|---|
| Brand | San Martin |
| Model | SN0009-G-D |
| Movement | YN55 Automatic |
| Case Material | 316L Stainless Steel |
| Diameter | 40 mm |
| Lug-to-Lug | 46.5 mm |
| Thickness | 13.1 mm |
| Crystal | Sapphire Crystal + AR Coating |
| Bezel | 120-click, ceramic insert, lume at 12 |
| Dial | Enamel (Blue or Black) |
| Indices/Hands | Polished steel, BGW9-X1 lume |
| Crown | Screw-down with hexagon logo |
| Case Back | Screw-down, 3D Shark Logo |
| Bracelet | Solid 316L steel, 20 → 16 mm |
| Clasp | Upgraded on-the-fly adjustable clasp |
| Water Resistance | 30 BAR / 300 Meters |
| Weight | 171.6 g |
| Warranty | 2 Years |
What’s Included
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San Martin premium cylindrical watch case
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User manual
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Warranty card
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Bracelet tools
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Hang tag
HD Macro Details
Every component is finished to a higher standard than its category typically offers:
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crisp chamfers
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polished applied indices
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laser-cut hands
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uniform enamel texture
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smooth ceramic bezel finish
FAQs
1. Is the SN0009 suitable for real diving?
Yes. With 30BAR / 300M water resistance, screw-down crown, and sealed caseback, it’s fully capable of recreational diving.
2. What movement does the watch use?
The watch uses the Seiko-based YN55 automatic movement known for reliability, accuracy, and ease of service.
3. Does the clasp allow tool-free adjustment?
Yes. The new on-the-fly adjustable clasp lets you extend or tighten the bracelet instantly.
4. What lume is used?
BGW9-X1 grade lume — bright blue glow on hands, indices, and bezel pip.
5. How durable is the enamel dial?
Enamel is extremely resistant to fading, cracking, and UV exposure, retaining its gloss for years.
Conclusion
The San Martin SN0009-G-D combines the charm of classic dive watches with modern upgrades: enamel dial, YN55 automatic movement, sapphire crystal, ceramic bezel, and premium finishing. If you’re searching for a 40mm diver that delivers genuine value, exceptional build quality, and everyday durability, this model is among the most refined options in its class.
Screw-down Case Back, With 3D Shark Logo
Newly Upgraded On The Fly Adjustable Clasp
Luminous Effect: BGW-X1 Blue Light
Enamel Blue Dial
Enamel Black Dial
Brand: San Martin
Model: SN0009-G-D
Movement: YN55 [Automatic mechanical movement]
Case: Material – 316L Solid Stainless Steel
Case Diameter: 40mm
Lug to Lug: 46.5mm
Thickness: 13.1mm
Band Length: 200mm/7.9in
Band width: 20mm x 16mm
Glass: Sapphire Crystal Glass, AR Coating
Bezel: 120 Clicks Chronograph Bezel, Ceramic Top Ring, 12 o’clock Luminous Markers
Dial Color: Enamel Blue, Enamel Black, Date Window at 3 O’clock
Hands: GS Crafts Hands, Luminous Coating
Luminous: BGW-X1 Blue Light, Hands and Markers
Crown: Screw-down Crown, With 3D San Martin Hexagon Logo
Case Back: Screw-down Case Back, With 3D Shark Logo
Strap: 316L Solid Stainless Steel Bracelet, Width 20mm x 16mm
Clasp: Newly Upgraded On The Fly Adjustable Clasp, With San Martin Hexagon Logo
Water Resistant: 30Bar=300 Meters
Weight: About 171.6g
Warranty: 2 Years
Sapphire Crystal Glass, AR Coating
Case HD Details Display
Dial HD Details Display,GS Crafts Hands, Luminous Coating
Screw-down Crown, With 3D San Martin Hexagon Logo
316L Solid Stainless Steel Bracelet, Width 20mm * 16 mm, Newly Upgraded On The Fly Adjustable Clasp, With San Martin Hexagon Logo
FQA
1. How to do if there is water inside the watch?
If there is only a small amount of water vapor inside the watch, the water vapor will automatically disappear over time, or wearing the watch on you wrist with upside down, Two hours later, the water vapor will automatically disappear. If there are some drops inside the watch, You should repair the watch for as soon as possible.
2. Special note:
Fully automatic mechanical watches, relying on the motion of the arm and automatic winding, so must wear more than 8 hours a day to ensure timely and accurate. Part of the automatic mechanical watch on a chain can also manually on the chain to supplement energy, method is under the conditions of buttons don’t pull out, 15 circle clockwise. Is not automatic chain on the manual and automatic mechanical watch, cannot make up by manual chain on energy.
3. Warning:
Watch pointer to 8 p.m. until 4 am the next day, all the time, please don’t adjust calendar, week speed-dial buttons and press the months. Otherwise it will appear the phenomenon of calibration is ineffective, and may make speed-dial buttons infarction damage to push again, movement will be damaged. Mechanical watches should away from television, computers and other things with magnetic fields, so as not to affect the watch work.
SHIPPING
We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.
Do you ship worldwide?
Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.
What about customs?
We are not responsible for any custom fees once the items have been shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.
How long does shipping take?
Shipping time varies by location. These are our estimates:| Location | *Estimated Shipping Time |
|---|---|
| United States | 5-20 Business days |
| Canada, Europe | 5-20 Business days |
| Australia, New Zealand | 5-20 Business days |
| Central & South America | 5-25 Business days |
| Asia | 5-20 Business days |
| Africa | 5-25 Business days |
Do you provide tracking information?
Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.
My tracking says “no information available at the moment”.
For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.
Will my items be sent in one package?
For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.
If you have any other questions, please contact us and we will do our best to help you out.
RETURNS
Order cancellation
All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.
Refunds
Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:
- If you did not receive the product within the guaranteed time (45 days not including 1-3 day processing) you can request a refund or a reshipment.
- If you received the wrong item you can request a refund or a reshipment.
- If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.
We do not issue the refund if:
- Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
- Your order did not arrive due to exceptional circumstances outside the control of jwlraddicts.com (i.e. not cleared by customs, delayed by a natural disaster).
- Other exceptional circumstances outside the control of jwlraddicts.com.
*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page
If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.
Exchanges
If for any reason you would like to exchange your product, perhaps for a different size in clothing, you must contact us first and we will guide you through the steps.
Please do not send your purchase back to us unless we authorise you to do so.
Order cancellation
All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.
Refunds
Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:
- If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
- If you received the wrong item you can request a refund or a reshipment.
- If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.
We do not issue the refund if:
- Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
- Your order did not arrive due to exceptional circumstances outside the control of jwlraddicts.com (i.e. not cleared by customs, delayed by a natural disaster).
- Other exceptional circumstances outside the control of //jwlraddicts.com
*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page
If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.
Exchanges
If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.
Please do not send your purchase back to us unless we authorise you to do so.
Customer Reviews
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“as usual, san martin doesn’t disappoint. I just wish it were a bit thinner — and this one is a true strap monster.”