Product Description
San Martin SN0012-GB Automatic Dive Watch
The San Martin SN0012-GB takes the traditional mechanical dive-watch formula and adds several upgrades aimed at durability, visibility and everyday comfort.
Its 40mm case and five-link bracelet are made from solid 316L stainless steel and treated with a 1200HV hardening coating designed to improve resistance to everyday surface wear. Inside is the high-beat ST2130 automatic movement, while a sapphire crystal, ceramic bezel and 200-meter water-resistance rating complete the package.
1200HV Hardened Stainless Steel
One of the defining features of the SN0012-GB is its hardened exterior.
Both the 316L stainless steel case and bracelet receive a 1200HV surface-hardening treatment, giving the watch additional protection against the scratches and marks that commonly accumulate on brushed sports watches.
The predominantly brushed finish reinforces its purpose-built character, while carefully finished chamfered edges add definition to the case without turning it into an overly polished dress piece.
ST2130 High-Beat Automatic Movement
The SN0012-GB is powered by the ST2130 automatic mechanical movement, operating at 28,800 vibrations per hour / 4Hz.
The movement contains 28 jewels and provides approximately 40 hours of power reserve.
Its higher beat frequency gives the seconds hand a smoother visual sweep than many lower-frequency automatic movements, fitting well with the more premium construction of this model.
Three Distinct Dial Configurations
San Martin offers this model in three substantially different treatments rather than simply changing the dial color.
Matte Black
The black version delivers the most traditional tool-watch appearance, pairing its dark dial with large luminous hands and hour markers for strong nighttime contrast.
White Full Lume
The white version uses a full C3 luminous dial, creating a dramatically different appearance once charged with light. Black hands and hour blocks remain strongly contrasted against the glowing background.
Orange Full Lume
The orange version takes the same full-dial concept in a much bolder direction, producing a warm luminous effect while preserving high visual contrast through dark hands and hour blocks.
That makes the dial selection more than a cosmetic choice—the three versions offer noticeably different nighttime presentations.
3D Hour Blocks and Sword Hands
Large three-dimensional hour blocks give the dial significant depth and make the markers immediately recognizable.
They are paired with broad sword-style hour and minute hands and a distinctive hexagonal detail on the seconds hand.
The deliberately oversized geometry suits the watch’s diving character while keeping the display uncluttered.
Circle-Sanded Ceramic Dive Bezel
Surrounding the dial is a matte black ceramic bezel insert with a circular brushed texture.
Ceramic offers strong resistance to fading and surface scratches, while the engraved-style timing scale provides the familiar elapsed-time layout expected from a mechanical dive watch.
Sapphire Crystal With AR Coating
A sapphire crystal with anti-reflective coating protects the dial.
Sapphire is highly resistant to everyday scratching, while the AR treatment helps reduce distracting reflections and improves dial visibility under changing lighting conditions.
200m Water Resistance
The SN0012-GB is rated to 200 meters / 20 bar and uses both a screw-down crown and screw-down case back.
This gives it the water resistance expected from a serious sports watch and makes it suitable for swimming and recreational diving when the crown is properly secured.
Five-Link Engineering-Style Bracelet
Instead of a conventional three-link bracelet, San Martin uses a substantial five-link engineering-style bracelet.
The links are arranged closely to reduce unnecessary movement and rattling while maintaining articulation around the wrist.
Like the case, the bracelet also receives the 1200HV hardening treatment.
On-the-Fly Adjustable Clasp
The bracelet terminates in San Martin’s upgraded on-the-fly adjustable clasp.
This allows small fit adjustments without removing bracelet links, making it easier to compensate for changes in wrist size throughout the day.
A raised San Martin hexagonal emblem finishes the clasp.
Specifications
| Specification | Details |
|---|---|
| Brand | San Martin |
| Model | SN0012-GB |
| Movement | ST2130 |
| Movement Type | Automatic mechanical |
| Frequency | 28,800 vph / 4Hz |
| Jewels | 28 |
| Power Reserve | Approx. 40 hours |
| Case Material | 316L stainless steel |
| Surface Treatment | 1200HV hardening coating |
| Case Diameter | 40mm |
| Lug to Lug | 48.5mm |
| Thickness | 12.3mm |
| Crystal | Sapphire crystal |
| Crystal Coating | Anti-reflective coating |
| Bezel Insert | Circle-sanded ceramic |
| Dial Options | Matte Black, White Full Lume, Orange Full Lume |
| Hands | Sword-style hands |
| Seconds Hand | Hexagonal detail |
| Crown | Screw-down |
| Case Back | Screw-down |
| Bracelet | 316L stainless steel five-link bracelet |
| Bracelet Treatment | 1200HV hardening coating |
| Bracelet Width | 20mm tapering to 18mm |
| Bracelet Length | Approx. 180mm |
| Clasp | On-the-fly adjustable clasp |
| Water Resistance | 200m / 20 bar |
| Weight | Approx. 163.5g |
| Warranty | 2 years |
Which Dial Should You Choose?
The Matte Black version is the most conventional choice for a purpose-built dive watch, with a dark dial and luminous hands and markers that preserve the classic tool-watch aesthetic.
The White Full Lume version is the most distinctive after dark. Its C3 luminous dial creates a bright background while the dark hands and hour blocks remain sharply visible.
The Orange Full Lume model is the boldest of the three and gives the SN0012-GB a very different personality while retaining the same hardened case, ceramic bezel and mechanical specification.
Why the 1200HV Coating Matters
Brushed stainless steel looks excellent on a tool watch, but its broad flat surfaces can also reveal scratches relatively easily.
The SN0012-GB’s hardened surface treatment is therefore particularly relevant to this design. It does not change the fundamental character of the steel, but it gives the case and bracelet a harder exterior surface than untreated stainless steel.
Combined with the sapphire crystal and ceramic bezel insert, it gives the watch a particularly strong material specification for regular wear.
If you’re comparing San Martin’s different mechanical designs, explore the complete San Martin Watches collection for GMT, dive and everyday automatic models.
You can also browse more Men’s Watches or see our selection in the Best San Martin Watches guide.
FAQ
What movement does the San Martin SN0012-GB use?
It uses the ST2130 automatic mechanical movement. The movement operates at 28,800 vibrations per hour, contains 28 jewels and provides approximately 40 hours of power reserve.
How large is the SN0012-GB?
The stainless steel case measures 40mm in diameter, 48.5mm from lug to lug and 12.3mm thick.
What does 1200HV mean?
The case and bracelet receive a hardened surface treatment rated at approximately 1200HV. Its purpose is to improve the surface’s resistance to scratches and wear compared with untreated stainless steel.
Does the SN0012-GB have a sapphire crystal?
Yes. It uses sapphire crystal with an anti-reflective coating.
Is the bezel ceramic?
Yes. The watch uses a matte black circle-sanded ceramic bezel insert.
Is the entire dial luminous?
That depends on the version. The White and Orange variants use full-luminous dials. The Matte Black version instead uses luminous hands and hour markers against the dark dial.
Is it suitable for swimming and diving?
The watch is rated to 200 meters / 20 bar and uses a screw-down crown and case back. Make sure the crown is completely secured before exposing the watch to water.
Does the bracelet have micro-adjustment?
It uses an on-the-fly adjustable clasp, allowing small bracelet-fit changes without removing links.
Case Material and Craftsmanship:
316L Solid Stainless Steel, overall brushed finish,
The entire surface features an electroplated Hardness Coating (1200 HV), offering enhanced scratch resistance.
Edge Chamfer Process – The transition between brushed and polished edges is very delicate.
ST 2130 Movement
28,800 vibrations per hour
28 jewels
40 hours of energy storage
Full Luminous Effect: Full C3 Green Light/ Full Orange Light
Brand: San Martin
Model: SN0012-GB
Movement: ST 2130 [Automatic mechanical movement]
Case: Material – 316L Solid Stainless Steel,
Hardening Coating: 1200HV
Case Diameter: 40mm
Lug to Lug: 48.5mm
Thickness: 12.3mm
Band Length:180mm/7.68in
Band width: 20mm x 18mm
Glass: Sapphire Crystal Glass, AR Coating
Bezel: Matte Black Circle-Sanded Ceramics Bezel Insert
Dial Color: White Full Lume Dial, Orange Full Lume Dial, Matte Black Dial, With 3D Lume Blocks
Hands: Sword Hands Set, Hexagonal Second Hand
Luminous: Full C3 Green Light/ Full Orange Light, Hands and Markers (Black Hands & Black Lume Blocks Set No Luminous)
Crown: Screw-down Crown,With San Martin Hexagon Logo
Case Back: Screw-down Case Back, Brushed Process
Strap: 316L Solid Stainless Steel 5 Links Engineering Style Bracelet, 1200HV Hardening Coating, 20mm x 18mm
Clasp: On The Fly (OTF) Adjustable Clasp, With 3D Hexagon Logo, 1200HV Hardening Coating
Water Resistant: 20Bar=200 meters
Weight: about 163.5g
Warranty: 2 Year
Sapphire Crystal Glass, AR Coating
Circle-Sanded Ceramic Bezel, White C3 Full Luminous Dial & 3D Lume Blocks
Circle-Sanded Ceramic Bezel, Orange Full Luminous Dial & 3D Lume Blocks
Circle-Sanded Ceramic Bezel, Matte Black Full Luminous Dial & 3D Lumed Blocks
With a Casted 3D Lume Blocks
Sword Hands Set, Hexagonal Second Hand
Brushed Case HD Details Display
Edge Chamfer Process – The transition between brushed and polished edges is very delicate.
Circle-Sanded Ceramic Bezel Insert
Screw-down Crown, With 3D Hexagon Logo
Screw-down Case Back
316L Solid Stainless Steel 5 Links Engineering Style Bracelet, 1200HV Hardening Coating,20mm*18mm
This high-quality bracelet features more tightly arranged links with smaller gaps, reducing the rattling sound when the bracelet moves.
New Upgrade On The Fly Adjustable Clasp,With San Martin Hexagon Logo
Shipping & Delivery
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.
Refunds & 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 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.
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