Reference 210.30.44.51.01.001 makes this replica Seamaster 210304 black 44mm the full-steel Diver 300M chronograph in black ceramic. The 44mm case carries the same architecture as its blue counterparts but swaps to a black ceramic dial and bezel combination that reads more conservatively in most settings. Omega positioned this as the stealth option within the Diver 300M chronograph family, and the monochrome ceramic surfaces reinforce that intent from every angle.

Build Details

• Case diameter: 44mm
• Case material: stainless steel
• Bezel: black ceramic with white enamel diving scale
• Dial: black ceramic with wave pattern and chronograph subdials
• Crystal: domed sapphire with AR coating
• Bracelet: stainless steel with micro-adjust clasp
• Water resistance: 300 meters
• Functions: chronograph, date, helium escape valve

White enamel-filled numerals on the black ceramic bezel provide the contrast needed for quick elapsed-time readings. The date window at the 4:30 position avoids conflict with the subdial registers, keeping each display element in its own space.

What Collectors Notice

Black ceramic absorbs light differently than blue. Where the blue wave dial shifts hue depending on the angle, the black version stays consistently dark, letting the polished hands and applied indices do the visual work. The chronograph subdial rings catch light as thin silver circles against the matte black background. Collectors comparing Diver 300M chronographs often split between blue and black based on wardrobe compatibility. For a different Seamaster with special-edition significance, look at the 007 James Bond edition 210224. Both sit within the Seamaster collection but represent standard production versus limited-run design philosophy.

This vs Other Versions

The black Diver 300M chronograph occupies the most versatile color slot in the lineup. It pairs with leather, rubber, and NATO straps if you prefer something other than the factory bracelet, and the neutral dial color does not clash with any combination. The 44mm case shares identical dimensions with the blue and two-tone versions, so the choice comes down purely to color preference and intended use. Darker dials tend to mask minor wear better over time, which is a practical consideration for a watch meant to be worn daily. This replica Seamaster 210304 black 44mm gives you the chronograph Diver 300M in its most adaptable visual form.