Q1: Is switching to ST2130 a cost-cutting move?
A1: No — actually the ST2130 costs us slightly more. The change is due to PT5000 shortages. We chose the ST2130 to ensure stable supply, not to save money. Quality remains our priority.
Q2: Is ST2130 worse than PT5000?
A3: Not at all — it's just different, not worse.
Both ST2130 and PT5000 are 28,800 high-frequency movements with identical smooth sweeping.
What matters: The ST2130 is a proven workhorse with decades of reliability, used by brands worldwide. We regulate each one to -10~+20 sec/day, and it's backed by our 2-year warranty.
Bottom line: You're getting a reliable, well-regulated movement — period.
Q 3I really want the PT5000 movement. When will it be back in stock?
A4: We completely understand — and we wish we had a concrete date to give you.
Unfortunately, the PT5000 shortage is industry-wide and the supply situation remains unpredictable. At this moment, we cannot confidently promise when it will return.
Here's what we can offer instead:
Option A – Wait for PT5000
You're welcome to join our waiting list
We'll notify you immediately once stock arrives
No payment required upfront
Option B – Try the ST2130 (with peace of mind)
It's a proven, reliable movement — used by countless brands for years
We regulate each one for better-than-spec accuracy
Full 2-year warranty applies
Our honest advice: If you need a watch now, the ST2130 won't disappoint you. If you're set on the PT5000 and can wait, we'll keep you posted.
Either way, we're here to help
Movement Frequency Comparison Table
A Note on Movement Availability: To ensure consistent quality and timely delivery amid industry-wide shortages, our current production utilizes the ST2130 movement. A final batch of watches featuring the PT5000 is available for a short time. Your order may be fulfilled with either the ST2130 or the PT5000 movement, both of which are high-performance and reliable.
Top bloggers' real watch reviews, just search for the model to view
San Martin SN0121TD Titanium Diving Watch PT5000 Automatic Movement Watches Grade5 Titanium 120 Click Waterproof 300m Wristwatch
SN0121T-GA-NH35
Watch Specification:
Model: San Martin sn0121T-GA
Movement: NH35 [Automatic Mechanical Movement]
Case material : Grade5 titanium
Glass: Sapphire Crystal Glass, AR Coating
Bezel: 120 click unidirectional matte ceramic bezel with BGW9 luminous markers
Dial Color: Matte black and matte blue
Luminous: BGW-9 Blue Light, bezel, Hands and Markers
Crown: Screw-down Crown, With 3D Hexagon Logo
Case Back: Screw-down Case Back, Brushed Process
Strap: grade2 titanium, Brushed Front, Polished Side Bracelet,Width 20mm * 16 mm
The maximum wrist size is 19cm. Please contact us for extra links for larger wrist.
Clasp: greade2 titaniumFolding Clasp With Safety, New Fly Adjustable Clasp,With San Martin Hexagon Logo
Water Resistant: 30Bar=300 meters
Watch Dimension:
39mm in diameter
Open dial: 28.5mm
Lug to Lug 47mm
Thickness 12.8mm(including glass)
Band width 20mm
Weight: 100.5g
SN0121T-GD-PT5000（ST213）
Model: San Martin sn0121T-GD
Movement: PT5000(ST213) [Automatic Mechanical Movement]
Case material : Grade5 titanium
Glass: Sapphire Crystal Glass, AR Coating
Bezel: 120 click unidirectional matte ceramic bezel with BGW9 luminous markers
Dial Color: Matte black and matte blue
Luminous: BGW-9 Blue Light, bezel, Hands and Markers
Crown: Screw-down Crown, With 3D Hexagon Logo
Case Back: Screw-down Case Back, Brushed Process
Strap: grade2 titanium, Brushed Front, Polished Side Bracelet,Width 20mm * 16 mm
The maximum wrist size is 19cm. Please contact us for extra links for larger wrist.
Clasp: greade2 titaniumFolding Clasp With Safety, New Fly Adjustable Clasp,With San Martin Hexagon Logo
Water Resistant: 30Bar=300 meters
Watch Dimension:
39mm in diameter
Open dial: 28.5mm
Lug to Lug 47mm
Thickness 11.6mm(including glass)
Band width 20mm
Weight: 100.5g
Our Service
Warranty: 2 years
Returns policy: Please check the website“Return / Exchange / Warranty Policy”
Style: automatic watch, dive watch, luxury watch
Package: watch, box, warranty card, user manual
Service: Support retail, wholesale. OEM/ODM. Please contact the seller if necessary
MAJOR UPGRADE:
🔥 【Significant Upgrade】Grade 5 Titanium Case
Enhanced from Grade 2 to Aerospace-Grade 5 Titanium
50% Higher Strength while maintaining exceptional lightness
Scratch & wear resistance significantly improved
Ultra-lightweight at only 100.5g - forget the weight on your wrist
PROFESSIONAL FEATURES:
✅ 300M Professional Water Resistance
30BAR pressure rating for serious diving
✅ Full Titanium Construction
Case, bracelet & clasp all in titanium - hypoallergenic & comfortable
✅ BGW-9 Full Lume System
360° illumination on dial, hands & ceramic bezel
✅ Fly Adjustment Clasp
New upgraded clasp for tool-free micro-adjustment
✅ NH35/PT5000(ST2130) Automatic Movement
Reliable workhorse with 41-hour power reserve
PERFECT FOR:
Divers seeking lightweight performance | Those with metal allergies | Business & casual wear
The Ultimate Combination:
"Feather-Light Weight Meets Steel-Like Strength - Grade 5 Titanium Redefines the Professional Dive Watch Experience"
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.
Shipment:
1. Drop Shipping
We support drop shipping, we can send your order to your client's, Pls leave your client's address when you place order.
2. Delivery Time
DHL/UPS/EMS:4-15 Days
Aliexpress Premium Shipping:15-20 days
Aliexpress Standard Shipping:24-44 days
China Post Air Mail:15-60 days
Kindly Notice: Because of the customs and weather or shipping seasons like christmas the delivery time for you. Please kindly be patient to wait a little more time.
3.Custom Duty Or Import Tax
The list price above is not included any tax, buyers are responsible for customs duty or import tax in your country.
Return Policy
We will give a full refund if the item you received is different from the description.
A Refund will be given after we received the goods back and quality fine. Please contact us before shipping any items back.
The sender shipping costs do not return, and the back shipping cost should paid by your side.
Thanks for your consideration.
Warranty and Guarantee
1.12 months warranty, buy with confidence
2.All items are brand new and passed the strict quality check
3.If u are not satisfied when you received it and want to return, please return it within 3 days for a replacement or money back.
Important
Russian customer please provide Full Name And Address,The Russian Federation import policy requires it.
We provide OEM & ODM service and small qty order too, contact us if you need.
