Description
Carrying reference 215.30.46.51.01.001, this replica Seamaster Planet Ocean 215304 belongs to the current-generation Planet Ocean 600M lineup with a black dial and chronograph complication. Omega updated the Planet Ocean chronograph family with this reference, incorporating a ceramic bezel with a Liquidmetal diving scale and a case architecture refined from the earlier 232-series predecessors. The Planet Ocean name has always signaled the deeper-rated, more tool-focused branch of the Seamaster family, and the 215.30 series represents its most evolved form.
Build Details
- Case diameter: 45.5mm
- Dial: matte black with applied luminous indices
- Bezel: unidirectional ceramic with Liquidmetal scale markings
- Crystal: domed sapphire, anti-reflective
- Complication: chronograph with two sub-registers
- Water resistance: 600 meters
- Bracelet: stainless steel with micro-adjust diver extension
The Liquidmetal technology on the bezel insert creates sharply defined minute markers that sit flush with the ceramic surface. Unlike printed scales, this process bonds a zirconium alloy into laser-etched channels, producing markers that resist wear over time.
What Collectors Notice
The 215-series Planet Ocean chronograph refines several details over its 232-series predecessor. Crown guards are more integrated into the case profile, and the caseback uses a wave-pattern engraving that replaced the earlier flat design. The matte black dial reads quickly in low light thanks to SuperLuminova on both the hands and hour markers. The Planet Ocean 222.30.42.20.01.001 offers the same 600M depth rating but in a 42mm time-only configuration for those who want Planet Ocean without the chronograph bulk. The full Planet Ocean lineup is available within the Seamaster range.
This vs Other Versions
Planet Ocean chronographs compete directly with Rolex Sea-Dweller and Tudor Pelagos for attention in the large-case dive-watch segment. What separates this reference is the combination of 600m rating with chronograph timing, a pairing that most competing brands reserve for their highest-priced models. The black dial and ceramic bezel create a monochromatic look that avoids color-accent trends, making it a watch that will not feel dated in five years. This replica Seamaster Planet Ocean 215304 is the current-generation chronograph for buyers who rank depth rating and timing functionality above compact sizing.
Product description adapted from the authorised reference catalogue. Specifications in this description refer to the source listing; confirm details for your selected variant.












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