OMEGA Seamaster Diver 300M Co-Axial Master Chronometer | Steel & 18k Sedna Gold | Ref. 210.22.42.20.01.002 | Full Set
This timepiece is in mint condition with no signs of wear. It comes as a complete set including double box, polishing cloth, Master Chronometer card, Pictograms cards, and International Warranty card dated February 2025. MSRP: 9,600 USD.
The Seamaster Diver 300M is a 42mm stainless steel professional dive watch measuring 13.6mm in thickness, dressed here in an elegant two-tone configuration with an 18-carat Sedna gold unidirectional rotating bezel and Sedna gold applied hour markers, indices, and hands against a black dial — Sedna being an exclusive rose-gold alloy developed by the manufacture, combining gold, copper, and palladium for an enduring warm reddish lustre. The wave-pattern black dial features luminescent stick indices and Mercedes hands, a date window at 6 o’clock, and a helium escape valve at 10 o’clock, beneath a sapphire crystal. A transparent exhibition caseback reveals the movement beneath. Presented on a black rubber strap with a tang buckle. Retailing at 9,600 USD, this example is offered meaningfully below current retail. The in-house 8800 is a self-winding Co-Axial movement certified by both COSC and METAS as a Master Chronometer — resistant to magnetic fields exceeding 15,000 gauss — containing 35 jewels, beating at 25,200 vph, and delivering approximately 55 hours of power reserve, water-resistant to 300 meters.
Delivery is via fully insured FedEx Priority Overnight to your nearest FedEx Ship Center within the continental U.S. All photos and videos are captured using professional macro equipment to accurately disclose condition; minor blemishes shown, as well as occasional fingerprints visible due to handling during photography, may not be apparent under normal lighting or wear. Each timepiece is represented with honesty, transparency, and quality, and its provenance is fully guaranteed. Seller is not affiliated with, sponsored by, or an authorized dealer of any horology house.
💲7️⃣,5️⃣9️⃣5️⃣ +✈️. Payable via wire or Zelle. Major CC add 3.99%, approval required. Digital-friendly at 1%.
Listing Details:
- Reference Number: 210.22.42.20.01.002
- Case Material: Stainless Steel & 18k Sedna Gold
- Bezel Material: 18k Sedna Gold, Unidirectional
- Case Diameter: 42mm
- Case Thickness: 13.6mm
- Crystal: Sapphire Crystal (Front & Back)
- Dial: Black, Wave Pattern, Sedna Gold Indices
- Dial Markers: Applied Sedna Gold, Luminescent
- Strap Material: Black Rubber
- Clasp: Tang Buckle
- Movement: 8800 (Manufacture, Co-Axial)
- Number of Jewels: 35
- Power Reserve: 55h
- Water Resistance: 300m
- Certification: COSC & METAS Master Chronometer
- Magnetic Resistance: >15,000 Gauss
Location: Ridgefield Park, NJ, USA
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$7,595.00













