Skip to product information
Omega Seamaster Diver 300M 42mm Steel Sedna Gold Blue Dial 210.20.42.20.03.002

Omega Seamaster Diver 300M 42mm Steel Sedna Gold Blue Dial 210.20.42.20.03.002

$12,099.00

*As with all fine timepieces, prices and availability are subject to market conditions and do not constitute a binding agreement.

By Omega

Sell or Trade
Omega Seamaster Diver 300M 42mm Steel Sedna Gold Blue Dial 210.20.42.20.03.002

Omega Seamaster Diver 300M 42mm Steel Sedna Gold Blue Dial 210.20.42.20.03.002

Current Market Valuation:

Your Offer

$

Most accepted offers fall within 1–5% of market valuation

Preferred Contact Method
I have a trade-in / add a note
Omega Seamaster Diver 300M 42mm Steel Sedna Gold Blue Dial 210.20.42.20.03.002

Reserve with a $200 Deposit

Omega Seamaster Diver 300M 42mm Steel Sedna Gold Blue Dial 210.20.42.20.03.002 · $

  • A fully refundable $200 deposit secures this watch and confirms your order.
  • The balance of $ is paid by bank wire — instructions are emailed to you right after checkout.
  • Market prices move: if the price changes or we cannot secure the piece, your deposit is refunded in full.
  • A specialist confirms your order personally within hours; your watch ships fully insured once the wire clears.
  • Complimentary bracelet sizing before shipping — how to measure your wrist.

The deposit is a commitment to buy — not a hold while you decide. By continuing you confirm you intend to complete the purchase by bank wire.

Prefer to arrange everything personally? WhatsApp a specialist

Speak with a Bizak & Co. specialist about this piece

|Call or Text

The Omega Seamaster Diver 300M reference 210.20.42.20.03.002 is a brand-new 42mm diving watch that pairs a steel and Sedna Gold case with a striking blue luminous dial and a black ceramic bezel. The two-tone steel and Sedna Gold bracelet gives this reference a distinctly elevated look within the Diver 300M family.

What sets this reference apart is the rare combination of Omega's proprietary rose-toned Sedna Gold alloy alongside stainless steel, delivering luxury appeal without sacrificing the Diver 300M's iconic sporting character. Contact Bizak & Co. today to purchase this reference at the best available price or to learn more about availability.

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.

Not the exact one you’re looking for?

Source your dream watch

Learn More

The Omega Seamaster Diver 300M is one of the most storied dive watch lines in modern horology, tracing its roots back to 1993 and earning widespread recognition as the watch worn by James Bond. Over the decades the Diver 300M has evolved from a pure tool watch into a refined sports-luxury icon, yet it has never abandoned the robust, water-resistant DNA that made it famous. Reference 210.20.42.20.03.002 represents the current generation of this lineage, sitting within the Co-Axial Master Chronometer era of Seamaster production and embodying the most technically advanced and visually sophisticated iteration the line has ever seen.

At 42mm in diameter, the case of this reference strikes an ideal balance between commanding wrist presence and everyday wearability. The case and bracelet are crafted from a combination of polished and brushed stainless steel and Omega's proprietary Sedna Gold — a 18-karat rose-gold alloy developed in-house to resist fading and maintain its warm, distinctive hue over a lifetime of wear. The contrast between the cool silver tones of the steel and the warm blush of the Sedna Gold is immediately arresting, positioning this reference firmly in the realm of luxury sports watches.

The dial is a deep, rich blue that features Omega's luminous wave-pattern — a design hallmark of the Diver 300M that references the surface of the ocean. Luminous coating on the hands and indices ensures excellent legibility in low-light and underwater conditions, honoring the watch's genuine diving heritage. The black ceramic bezel is both scratch-resistant and precisely graduated for the countdown timing function essential to any serious dive watch.

Powering the watch is an automatic movement — Omega's current Seamaster Diver 300M generation runs on the in-house Co-Axial Master Chronometer calibre, a movement architecture that significantly reduces friction and wear compared to traditional lever escapements, and is certified by METAS to the highest Swiss standard for accuracy, magnetic resistance, and quality. This movement technology means the watch delivers long-term precision and requires less frequent servicing than conventional movements, a genuine benefit for any owner.

On the wrist, the steel and Sedna Gold Diver 300M reads as something rare: a dive watch with genuine precious-metal luxury credentials that can transition effortlessly from active use to a formal dinner. For collectors and enthusiasts shopping for a two-tone luxury sports watch, this reference competes directly with the most desirable references in its category. Bizak & Co. offers this reference brand new, ensuring you receive the full manufacturer warranty and the peace of mind that comes with buying from an established, reputable luxury watch dealer. Browse our inventory or contact our team directly to secure reference 210.20.42.20.03.002 at the best price available.

Technical Details

Reference Number 210.20.42.20.03.002

Model Family Seamaster Diver 300M

Movement Automatic

Case Material Two-Tone

Bracelet Material Two-Tone

Dial Blue luminous

Case Dimension 42mm

Year

Condition Brand New

Box & Papers

FAQ

1. What makes the Omega Seamaster Diver 300M ref. 210.20.42.20.03.002 special?
This reference combines Omega's stainless steel with its proprietary Sedna Gold alloy — a fade-resistant 18-karat rose gold — on both the case and bracelet, giving the Diver 300M a two-tone luxury character that stands out in the lineup. Paired with a blue luminous dial and black ceramic bezel, it is one of the most visually distinctive references in the current Seamaster Diver 300M collection.

2. What movement powers the Omega Seamaster Diver 300M 210.20.42.20.03.002?
This reference is powered by an automatic movement from Omega's current Co-Axial Master Chronometer generation, which uses a Co-Axial escapement to reduce wear and improve long-term accuracy. The movement is METAS-certified, confirming outstanding resistance to magnetic fields and rigorous quality standards.

3. What is the case size of reference 210.20.42.20.03.002?
The case measures 42mm in diameter, a size that provides a strong wrist presence suitable for most wrist sizes while remaining comfortable for all-day wear. The case is crafted from a combination of stainless steel and Sedna Gold.

4. Is the Omega Seamaster Diver 300M a good watch for everyday wear?
Yes — the Seamaster Diver 300M is engineered as a genuine tool watch built for regular, active use, and its ceramic bezel and robust construction make it highly resistant to scratches and daily wear. The combination of steel and Sedna Gold on this reference also gives it the versatility to suit both casual and dressed-up occasions.

5. What is Sedna Gold and what does the dial look like on this reference?
Sedna Gold is Omega's proprietary 18-karat rose gold alloy, developed to maintain its warm rose hue far longer than conventional rose gold. The dial on this reference is a vivid blue with a wave-pattern texture and luminous-coated hands and indices for excellent legibility in any lighting condition.

6. Is this a good investment and how can I buy it from Bizak & Co.?
The Omega Seamaster Diver 300M in steel and Sedna Gold is a sought-after configuration that combines genuine horology credentials with precious-metal appeal, making it a compelling addition to any collection. You can purchase reference 210.20.42.20.03.002 brand new directly through Bizak & Co. at bizakandco.com, or contact our team for pricing and availability.

Certified Authenticity

Each watch we sell comes with original box & papers.

Real Family Business

You're buying from genuine people, 30 years in business.

Bizak & Co. Warranty

Every watch is checked by us before shipping.

5 Years Warranty

Every watch you buy from us is backed by our 5-year warranty—because luxury should come with long-term peace of mind.

If anything goes wrong mechanically due to a manufacturing issue, we’ll take care of it. No stress. No surprises.

Because trust isn’t built in a transaction—it’s built over time.

90 Day Return Policy

Our costumers trust us and we trust them. That's why we're boldly presenting the best return policy in the industry.

We take all the risk so you don't have to.

Signature personal delivery service

For high-value orders, we offer our exclusive Signature Personal Delivery—where one of our team members personally flies out to hand-deliver your watch.

Because some pieces deserve more than just shipping—they deserve a handshake.

You might also like...