Omega Seamaster Diver 300M Steel & Sedna Gold
About This Watch
The Omega Seamaster Diver 300M in steel and Sedna Gold elevates the iconic diver with precious metal accents throughout. The two-tone construction uses Omega's proprietary 18K Sedna Gold — a rose gold alloy with palladium that resists color fading — for the bezel ring, crown, helium escape valve, hour markers, and bracelet center links. The brown ceramic bezel with Ceragold diving scale is a stunning technical achievement, where gold is deposited directly into the laser-engraved ceramic grooves. The black ceramic wave-pattern dial provides contrast against the warm Sedna Gold indices. This two-tone version occupies a luxurious middle ground between the accessible steel models and the full precious metal editions. The caliber 8800 Master Chronometer inside ensures top-tier performance regardless of the exterior materials. The combination of sporty dive watch functionality with the warmth of rose gold creates a versatile timepiece that works equally well with a wetsuit or a blazer.
In-Depth Review
# Omega Seamaster Diver 300M Steel & Sedna Gold Editorial
The marriage of tool-watch practicality with luxury aesthetics reaches a compelling equilibrium in this two-tone iteration of Omega's modern diving flagship. Reference 210.22.42.20.01.004 combines stainless steel with 18K Sedna Gold—Omega's proprietary rose gold alloy—creating a watch that transcends the typical sports-luxury divide. The 42mm case strikes the right balance between presence and wearability, while the laser-engraved wave dial and brown ceramic bezel with Ceragold diving scale elevate the design beyond utilitarian simplicity. At its heart lies the reliable Omega 8800 caliber, delivering a robust 55-hour power reserve and proven in-house movements that collectors trust. The helium escape valve speaks to professional dive credentials despite this watch's decidedly civilian pricing and context.
This watch appeals to collectors who resist false choices between steel and precious metals. It's for those seeking credible dive credentials without the $15,000+ commitment of a full-gold sports watch, yet unwilling to settle for pure steel. The mixed-metal construction suits desk-to-dinner versatility while maintaining legitimate 300-meter water resistance for actual diving applications. Omega's heritage across both military and civilian diving scenarios provides historical weight that matters to serious collectors.
In the luxury sports watch segment, direct competition comes from Rolex's Submariner in steel-and-gold configuration, which commands significantly higher secondary market premiums, and Tudor's Black Bay GMT in precious metal, which offers different ergonomic appeal. The Seamaster's current market price around $8,200 represents meaningful value when considering its Swiss pedigree, in-house movement, and design sophistication—particularly against competitors at or above MSR
Specifications
Movement
| Movement Type | Automatic |
|---|---|
| Caliber | Omega 8800 |
| Power Reserve | 55 hours |
| Frequency | 25,200 vph |
| Jewels | 35 |
Case
| Case Diameter | 42.0mm |
|---|---|
| Case Thickness | 13.6mm |
| Case Material | Stainless Steel with 18K Sedna Gold |
| Crystal | Sapphire with anti-reflective coating |
| Bezel | Unidirectional rotating, brown ceramic with Ceragold diving scale |
| Dial Color | Black ceramic with laser-engraved waves |
| Lug Width | 20mm |
| Lug-to-Lug | 50.0mm |
Features
| Water Resistance | 300m / 984ft |
|---|---|
| Bracelet/Strap | Stainless steel and 18K Sedna Gold bracelet |
| Clasp | Folding clasp with diver extension |
| Weight | 175g |
| Complications |