Case #595 — Omega Seamaster 300 (White) Ref. 210.30.42.20.04.001

Case #595 — Omega Seamaster 300 (White) Ref. 210.30.42.20.04.001

Status: Available
Condition: Excellent Pre-Owned — Near Like New
Scope: Box, Papers, and Cards

🔎 Case Notes

The white-dial Seamaster Diver 300M is one of those watches that changes character completely with a change of color.

The familiar Seamaster architecture remains—the scalloped bezel, skeletonized hands, helium escape valve, wave-pattern dial, and substantial steel bracelet—but the polished white ceramic dial against a black ceramic bezel gives this version a sharper, cleaner personality than the traditional blue or black configurations.

This example dates from 2025 and presents about as close to like new as we would expect from a pre-owned watch. It includes its box, papers, and cards and is currently sized to accommodate approximately a 7¾-inch wrist.

The 2025 warranty card also means the watch remains within Omega’s five-year international factory warranty period, subject to the exact purchase date and Omega warranty conditions.

🕰️ The Evidence

• Reference: 210.30.42.20.04.001
• Model: Seamaster Diver 300M
• Year: 2025
• Case: Stainless Steel
• Case Diameter: 42 mm
• Lug Width: 20 mm
• Dial: White Polished Ceramic with Laser-Engraved Wave Pattern
• Crystal: Domed Sapphire with Anti-Reflective Treatment
• Bezel: Unidirectional Black Ceramic
• Crown: Screw-Down
• Helium Escape Valve: Yes
• Movement: Omega Master Chronometer Calibre 8800
• Movement Type: Automatic Co-Axial
• Certification: METAS Master Chronometer
• Power Reserve: Approximately 55 Hours
• Functions: Hours, Minutes, Central Seconds, Date
• Water Resistance: 300 meters / 1,000 feet
• Bracelet: Stainless Steel
• Bracelet Fit: Approximately 7¾-inch wrist
• Condition: Excellent Pre-Owned — Near Like New
• Factory Warranty: Remaining Omega Factory Warranty, Subject to Exact 2025 Card Date
• Included: Box, Papers, and Cards

🌟 Collector Provenance

The Diver 300M has been one of Omega’s defining sports watches since 1993, and the current generation manages to retain nearly every recognizable element of the original while substantially upgrading the materials and mechanics.

The wave dial returned in this generation, but now executed in ceramic and laser engraved rather than simply printed. The bezel is ceramic as well, while the movement visible through the sapphire caseback represents an enormous technical leap from the Seamasters that established the design.

Among the current configurations, the white dial with black bezel has become particularly recognizable. It keeps all of the traditional Seamaster cues while presenting them with unusually strong contrast.

🌟 Technical Provenance

Inside is Omega’s Calibre 8800, a METAS-certified Master Chronometer movement with approximately 55 hours of power reserve and resistance to magnetic fields up to 15,000 gauss.

That certification covers the completed watch—not merely the movement—and includes tests of precision, magnetic resistance, power reserve, and water resistance.

Combined with the 300-meter case and ceramic components, it makes the Diver 300M every bit as technically serious as its styling suggests.

🧾 From the Case File

White sports-watch dials can easily become novelty pieces.

This one does not.

The black ceramic bezel, black skeletonized hands, and dark hour-marker surrounds provide enough contrast to keep the watch unmistakably purposeful, while the white ceramic dial makes the wave pattern particularly easy to see.

And this is precisely the sort of modern pre-owned example we like: 2025 dated, BPC, generously sized, still under Omega factory warranty, and presenting remarkably close to new.

For someone already considering a new white Seamaster Diver 300M, Case 595 makes a particularly persuasive alternative.

🗝️ BST Verdict

A modern Seamaster with maximum visual contrast and very little compromise.

The white ceramic wave dial makes it immediately distinctive, while the Calibre 8800, 300-meter capability, steel bracelet, and remaining factory warranty provide the substance underneath.

The exceptional condition of this 2025 example is the final piece—it offers essentially the full modern Seamaster experience without looking or feeling like a typical pre-owned watch.

👉 Every case deserves a closer look.