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Omega Seamaster Diver 300M Co-Axial Chronometer GMT Chronograph 44mm Stainless Steel Black Dial Bracelet 212.30.44.52.01.001 - BRAND NEW

Omega Seamaster Diver 300M Co-Axial Chronometer GMT Chronograph 44mm Stainless Steel Black Dial Bracelet 212.30.44.52.01.001 - BRAND NEW Omega Seamaster Diver 300M Co-Axial Chronometer GMT…

Reference 212.30.44.52.01.001

Full watch configuration

Omega Seamaster Diver 300M Co-Axial Chronometer GMT Chronograph 44mm Stainless Steel Black Dial Bracelet 212.30.44.52.01.001 - BRAND NEW

$6,799.00
Requested condition
Brand New
Requested accessories
Full Set

By Omega

Sourced to order. We confirm the watch, condition and final price before purchase. Reference images shown.

Eligible watches: 90-day returns for store credit only. Brand-new watches and other exclusions are final sale. Return terms.

Omega Seamaster Diver 300M Co-Axial Chronometer GMT Chronograph 44mm Stainless Steel Black Dial Bracelet 212.30.44.52.01.001 - BRAND NEW

Omega Seamaster Diver 300M Co-Axial Chronometer GMT Chronograph 44mm Stainless Steel Black Dial Bracelet 212.30.44.52.01.001 - BRAND NEW

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Omega Seamaster Diver 300M Co-Axial Chronometer GMT Chronograph 44mm Stainless Steel Black Dial Bracelet 212.30.44.52.01.001 - BRAND NEW

Catalogue watch price: $6,799.00 USD

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The Omega Seamaster Diver 300M Co-Axial Chronometer GMT Chronograph reference 212.30.44.52.01.001 is a bold 44mm stainless steel sport watch combining a black luminous dial with a ceramic bezel and a fully integrated stainless steel bracelet. Its Co-Axial movement carries COSC chronometer certification, delivering precision befitting a professional dive watch with GMT and chronograph complications.

This reference stands out as one of the most feature-rich expressions of the Seamaster Diver 300M line, pairing exceptional legibility with the versatility of a second time-zone display and stopwatch function. Available brand new at Bizak and Co., it represents an outstanding opportunity to own an iconic Omega at the best price — contact us today or buy online at bizakandco.com.

Compare it across every Seamaster Diver 300M reference we carry, or browse the full Omega collection at Bizak & Co.

Buy this Seamaster Diver 300M, trade in your current watch, or sell us yours. Contact Bizak & Co. to make an offer or request a fair-market valuation.

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The Omega Seamaster Diver 300M is one of the most storied dive watch lines in the world, tracing its roots to Omega's professional aquatic heritage and earning global recognition as the watch of choice for demanding environments both above and below the surface. Reference 212.30.44.52.01.001 represents the pinnacle of this lineage, combining the robust DNA of a true diver with the sophisticated complications of a GMT and a chronograph — making it equally at home on a dive boat or in a boardroom.

At 44mm in diameter, the stainless steel case commands real wrist presence without sacrificing wearability for those who prefer a substantial sports watch. The case is finished to Omega's exacting standards, with polished and brushed surfaces that catch the light and communicate the quality of every component. The stainless steel bracelet integrates seamlessly with the case, providing a secure and comfortable fit whether the wearer is navigating time zones or logging elapsed intervals underwater.

The black luminous dial is purpose-built for legibility in challenging conditions. High-visibility lume on the hands and hour markers ensures readability in low-light environments, a critical feature for any serious diver or adventurer. Framing the dial is the ceramic bezel, a material chosen for its extraordinary scratch resistance and color permanence — ceramic retains its deep, rich tone indefinitely, unlike aluminum or steel bezels that can fade or scratch with daily wear.

Powering reference 212.30.44.52.01.001 is an Omega Co-Axial movement certified as a COSC chronometer, affirming that it meets strict accuracy standards. The Co-Axial escapement — one of the most significant advances in mechanical watchmaking of the modern era — reduces friction within the movement, leading to greater long-term precision and extended service intervals. The GMT complication adds a second time-zone hand, while the integrated chronograph allows the wearer to measure elapsed time with a push of the crown-side pushers.

For collectors and enthusiasts looking to buy online, Bizak and Co. offers this Omega Seamaster Diver 300M GMT Chronograph brand new, complete with box and papers, at the best price available. Whether you are purchasing your first serious dive watch or adding a complication-rich Omega to an established collection, reference 212.30.44.52.01.001 is a grounded investment in craftsmanship and heritage. Reach out to our team at bizakandco.com to secure yours today.

Technical Details
Reference
212.30.44.52.01.001
Model
Seamaster Diver 300M
Movement
Automatic
Case material
Stainless Steel
Bracelet material
Stainless Steel
Dial
Black Luminous
Case size
44mm
Requested condition
Brand New
Requested accessories
Full Set
FAQ

1. What makes the Omega Seamaster Diver 300M 212.30.44.52.01.001 special?
This reference is one of the most capable versions of the Seamaster Diver 300M, combining a GMT second time-zone complication with a chronograph in a single watch. It also features a scratch-resistant ceramic bezel and a Co-Axial Chronometer movement, placing it at the top of the Diver 300M range in terms of functionality and finishing.

2. What movement powers the Omega Seamaster Diver 300M GMT Chronograph 212.30.44.52.01.001?
This watch is powered by an Omega Co-Axial Chronometer movement, which carries COSC chronometer certification for verified accuracy. The Co-Axial escapement is a hallmark of modern Omega engineering, reducing friction and improving long-term reliability compared to traditional lever escapements.

3. What is the case size of reference 212.30.44.52.01.001?
The case measures 44mm in diameter and is crafted from stainless steel. This is a substantial, bold size that delivers strong wrist presence and suits those who prefer a larger sport or dive watch.

4. Is the Omega Seamaster Diver 300M GMT Chronograph suitable for everyday wear?
Yes, the Seamaster Diver 300M is engineered as a professional-grade sports watch built for durability and daily use. The ceramic bezel resists scratches, the stainless steel bracelet is robust and secure, and the black luminous dial ensures legibility in a wide range of lighting conditions.

5. What are the key dial and bezel details on this Omega Seamaster Diver 300M?
The dial is black with luminous hour markers and hands for high-visibility readability, especially in low-light and underwater environments. The bezel is made from ceramic, a material prized for its permanence — it will not fade, discolor, or scratch the way aluminum bezels can over time.

6. Is the 212.30.44.52.01.001 a good buy and how can I purchase it from Bizak and Co.?
Brand new and accompanied by box and papers, this reference offers exceptional value as a fully featured GMT chronograph from one of watchmaking's most respected houses. You can buy online or contact the team at bizakandco.com for the best price and personalized assistance.

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Our five-year Bizak & Co. warranty covers manufacturing defects affecting mechanical operation under normal use, starting on delivery. It is separate from any remaining manufacturer warranty.

Exclusions include accidental damage, misuse, water damage, cosmetic damage, normal wear, loss and theft. Coverage and service availability for vintage or modified watches are confirmed in writing before purchase.

Read the full warranty terms and service instructions. 

90-Day Returns for Store Credit

Eligible watches may be returned within 90 days for store credit. Brand-new watches and other exclusions are final sale.

Read eligibility, condition requirements, and exclusions.

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U.S. overnight shipping is $100; international shipping is $500. Dispatch takes 2–3 business days after your wire clears. International transit times vary. Shipping details.

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