2024 Omega Seamaster Diver Professional Chrono Complete Set

Omega Seamaster Diver 300M Chronograph 210.30.44.51.03.001**


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**Video footage available upon request. Open to offers. Bracelet sizing service available.**


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**Model Background**


The Omega Seamaster Diver 300M Chronograph is the full-size, fully loaded expression of one of the most iconic dive watch platforms in the world — and the blue dial on bracelet is the configuration that ties it most directly to the Seamaster's oceanic identity. Where the black dial reads tool watch, the blue ceramic dial with its laser-engraved wave pattern in positive relief leans into the nautical heritage that has defined the Seamaster since 1948. The blue ceramic bezel with white enamel diving scale frames it perfectly, and the stainless steel bracelet with micro-adjustable clasp gives it the kind of integrated, substantial wrist presence that a rubber strap can't replicate. Under the wave-edged sapphire caseback sits the Caliber 9900 — Omega's flagship in-house chronograph movement with column wheel, vertical clutch, twin barrels in series, and full METAS Master Chronometer certification. It's anti-magnetic to 15,000 gauss, carries a 60-hour power reserve, and includes an independently adjustable hour hand for quick time zone changes. Add a conical helium escape valve and 300 meters of water resistance, and this is a chronograph that's certified for the kind of diving most watches only gesture at. At 44mm it commands attention — and the 9900 visible through the caseback earns every millimeter of it.


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**Specifications**


Model: Omega Seamaster Diver 300M Co-Axial Master Chronometer Chronograph 44mm
Reference: 210.30.44.51.03.001
Caliber: Omega 9900 — 54 jewels, 28,800 vph (4 Hz), METAS Master Chronometer certified, column wheel chronograph with vertical clutch and Co-Axial escapement, Si14 silicon balance spring, twin barrels in series, anti-magnetic to 15,000 gauss
Case Material: Stainless steel
Case Diameter: 44mm
Case Thickness: 17.2mm
Bezel: Unidirectional rotating, polished blue ceramic with white enamel diving scale
Crown: Screw-down, stainless steel
Crystal: Domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides
Caseback: Transparent sapphire crystal with wave-edged design
Helium Escape Valve: Conical design at 10 o'clock
Dial: Blue ceramic with laser-engraved wave pattern, stainless steel skeleton hands and applied markers with Super-LumiNova, date at 6 o'clock
Bracelet: Stainless steel (brushed and polished) with micro-adjustable clasp
Clasp: Deployant with push-button release
Movement: Automatic self-winding, rhodium plated with Geneva waves in arabesque
Power Reserve: 60 hours
Water Resistance: 300 meters (30 bar)
Functions: Hours, minutes, small seconds, date, chronograph (central elapsed seconds, 60-minute recorder, 12-hour recorder), independently adjustable hour hand


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**Condition Report**


Case: 10/10
Bezel: 10/10
Crystal: 10/10
Dial/Hands: 10/10
Bracelet: 10/10
Clasp: 10/10
Caseback: 10/10


Polishing Status: Unpolished


Photos taken on full bracelet links, fitting approximately a 20cm (8 inch) wrist.


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**Delivery Contents**


Complete set — box, warranty card, instruction manual, pictogram card
Please refer to photos for full contents.


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**Service & Authenticity**


The watch is running at 296 degrees of amplitude on the timegrapher. No service history on record. The original Omega 5-year international warranty is active (card dated 07/13/2024), expiring July 2029.


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**Shipping & Legal**


Ships from: Huntsville, AL
Shipping: Fully insured overnight with tracking provided
Shipping within CONUS only
Buyers are responsible for any applicable taxes and duties
Watch is sold in accordance with United States laws and regulations


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**Closing**


All watches are inspected by our watchmakers for condition, authenticity, and functionality before sale. Feel free to reach out via messenger with any questions.