2025 Omega Seamaster Diver 300M – Ref. 210.30.42.20.01.010 – 42mm Stainless Steel – Complete Set – Excellent Condition
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Estimated Delivery:Dec 11 - Dec 15
2025 Omega Seamaster Diver 300M – Ref. 210.30.42.20.01.010 – 42mm Stainless Steel – Complete Set – Excellent Condition
Condition: Excellent
Availability: In Stock
Includes: Timepiece, Warranty Card, Inner & Outer Omega Boxes, Manuals
Price: $5,400
Overview
The Omega Seamaster Diver 300M Ref. 210.30.42.20.01.010 is a modern evolution of the iconic Seamaster line, renowned for its professional dive functionality and timeless aesthetic. This 42mm stainless steel model features a polished black ceramic dial with laser-engraved wave motif, luminous hands and indices, and a matching black ceramic bezel insert. A helium escape valve and screw-down crown ensure durability under the most demanding conditions.
Powered by the Omega Co-Axial Master Chronometer Caliber 8806, this timepiece offers magnetic resistance up to 15,000 gauss, superior precision, and a 55-hour power reserve. Presented here as a full set in excellent condition, it is a versatile choice for collectors and enthusiasts alike.
Key Specifications
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Reference: 210.30.42.20.01.010
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Case Material: Stainless Steel
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Case Diameter: 42 mm
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Dial: Black Ceramic, Wave-Pattern Engraved
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Bezel: Black Ceramic, Unidirectional Rotating
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Crystal: Domed Scratch-Resistant Sapphire with Anti-Reflective Treatment
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Movement: Omega Caliber 8806 Co-Axial Master Chronometer Automatic
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Power Reserve: 55 Hours
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Water Resistance: 300 meters
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Bracelet: Stainless Steel
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Clasp: Folding Clasp with Push-Buttons
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Functions: Hours, Minutes, Seconds, Date, Helium Escape Valve
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Condition: Excellent
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Includes: Timepiece, Original Boxes, Warranty Card, Manuals
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Price: $5,400
Design Highlights
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Classic Seamaster design with modern ceramic and laser-engraved wave dial
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Master Chronometer movement for precision and anti-magnetic performance
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Robust 300m dive capability with helium escape valve
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Complete set dated 2025 in excellent condition
Final Thoughts
The Seamaster Diver 300M 210.30.42.20.01.010 embodies Omega’s balance of professional-grade engineering and elegant design. With its ceramic elements, Master Chronometer certification, and versatile stainless steel bracelet, it is as suitable for diving as it is for daily wear. Offered here as a complete set in excellent condition, this represents excellent value for a modern classic.
Understanding Your Purchase
At Great Lakes Watch Company, we know selecting the perfect luxury watch is a meaningful decision. We’re confident you’ll love your purchase—but if you need to make a return, we’re here to ensure the process is transparent and straightforward.
Eligible Returns
This return policy applies to all items, except those clearly marked as 'Special Order', 'Price On Request', and 'Sale' on our website.
Return Window
You have seven calendar days from the delivery date (as recorded by the shipping carrier) to return or exchange your item.
How to Start a Return (RMA Required)
All returns require a Return Merchandise Authorization (RMA) number.
To obtain an RMA, please contact Great Lakes Watch Company customer service:
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Phone: 216-570-3424
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Email: contact@greatlakeswatch.com
Please note:
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An RMA number does not guarantee a refund; all returns are subject to inspection.
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Packages sent without a valid RMA number will be refused.
Return Shipping
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Customers are responsible for arranging and paying for return shipping.
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We strongly recommend a secure, trackable, and insured service such as UPS or FedEx.
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Great Lakes Watch Company is not liable for packages lost or damaged during the return shipping process.
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All items must be double-boxed for protection.
Packaging Requirements
To ensure your return is processed quickly, please follow these guidelines:
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Clearly display your RMA number on the outside of the shipping box.
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Include all original packaging and materials, including:
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Boxes, paperwork, warranty cards
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Tags, protective stickers
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Tools, links, straps, buckles
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Any accessories or documents originally provided
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Items must be unworn and free of any signs of wear, including scratches, blemishes, dings, resizing, or use.
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Used or worn items are not returnable.
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If an item was sold as pre-owned, it must be returned in the exact same condition in which it was received.
Refunds
All products sold by Great Lakes Watch Company are guaranteed authentic. If you believe an item is not authentic, you must:
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Notify us within the return period, and
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Provide a certified letter from an authorized dealer or manufacturer’s service center confirming the item is not genuine.
Once verified, a full refund will be issued.
(Please note: items with aftermarket components—such as diamond bezels, custom dials, or non-original straps/buckles—are not eligible for this exception.)
Additional refund details:
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A 10% restocking fee applies to all orders placed via website or phone.
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If your item originally qualified for free shipping, our original shipping cost will be deducted from your refund.
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All refunds are issued minus applicable shipping charges.
Special / Custom Orders / Sourced / Price on Request Items
Special/Sourced/Price on Request or items are non-refundable for custom orders.
A Special Order refers to any item not currently in stock or specially sourced or produced at your request.
Items Not Eligible for Return
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Items not in original, unworn condition
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Items missing original packaging or documentation
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Items returned without a valid RMA number
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Custom or Special Orders
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Shipping charges and fees
Warranty
We proudly support our products with a 12-month limited warranty covering manufacturer defects.
If your watch piece needs service during this period, please contact us to arrange repair or replacement.
Additional Notes
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Please review this policy before making a purchase. We’re always happy to answer questions.
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Great Lakes Watch Company is not responsible for customer order errors once payment or deposit has been made.
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All sales and security deposits are final.
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Restocking fees may apply where outlined.
Frequently Asked Questions
How Can I Ensure My Luxury Watch Stays in Perfect Condition?
To keep your luxury watch in pristine condition, avoid exposing it to extreme temperatures, magnetic fields, and harsh chemicals. Regularly clean the case and bracelet with a soft, dry cloth. For leather straps, avoid excessive moisture and direct sunlight. Ensure your watch is serviced by a certified professional every 3 to 5 years to maintain its functionality and prevent internal wear.
What Should I Do if My Luxury Watch Stops Working?
If your luxury watch stops working, first check if it’s an automatic or manual-winding watch. If automatic, try wearing it for a few hours to see if movement restarts it. If manual, try winding it fully. If the watch still doesn’t work, it may need servicing or repair. Bring it to a certified watchmaker or the brand’s service center for an accurate diagnosis and repair to avoid damage.
How Do I Authenticate a Pre-Owned Luxury Watch?
To authenticate a pre-owned luxury watch, look for the following:
- Serial and model numbers: Verify these numbers match the brand’s records.
- Paperwork and certificates: Check for original papers, warranty cards, and receipts.
- Authorized sellers: Purchase from reputable dealers who offer a guarantee of authenticity.
- Watchmaker evaluation: Have a certified watchmaker inspect the movement, materials, and construction.
What Should I Do If My Luxury Watch Is Running Fast or Slow?
If your luxury watch is running too fast or slow, it may need regulation. This is common with mechanical watches and can be resolved by adjusting the movement’s balance wheel. Take your watch to a certified watchmaker or the brand’s service center for an inspection and adjustment. Regular servicing can prevent timekeeping issues and maintain the watch’s precision.
Can I Wear My Luxury Watch While Swimming or Diving?
Not all luxury watches are suitable for water activities. Check your watch's water resistance rating:
- 30m (3 ATM): Suitable for hand washing, but not for swimming or diving.
- 100m (10 ATM): Suitable for swimming and snorkeling.
- 200m+ (20 ATM): Suitable for professional diving.
Ensure the crown is fully screwed down and avoid using the chronograph buttons underwater. If unsure, consult the watch’s manual or the manufacturer to confirm its water resistance capabilities.