Replica Omega Seamaster Diver 300M 210 watches copy the 42mm case, ceramic bezel, and 300m water rating of the original. The number 210 refers to the reference prefix for the 2018 Seamaster Diver 300M line. Tiers range from $80 to $500. The best replicas use a clone of the Omega 8800 movement.

Original Specs for Reference 210

Omega released the Seamaster Diver 300M reference 210 in 2018. The case measures 42mm across. Lug width is 20mm. The watch has a helium escape valve at 10 o'clock. Water resistance is 300 meters. The bezel is ceramic with a white enamel dive scale. The dial has laser-engraved waves. The movement is a Co-Axial Master Chronometer calibre 8800. That movement has a 55-hour power reserve. The crystal is sapphire with anti-reflective coating on both sides.

Replica Tiers for the 210

Replica Omega Seamaster Diver 300 210 watches fall into three tiers. Low-end replicas cost $80 to $150. They use a 21-jewel automatic or quartz movement. The case is 316L steel but thicker than original. The bezel insert is aluminum, not ceramic. The crystal is mineral glass. Mid-tier replicas cost $200 to $350. They use a 2824 clone movement. The case is closer to 42mm. The bezel is ceramic. The crystal is sapphire. High-end replicas cost $400 to $600. They use a clone of the Omega 8800 movement. The case has correct dimensions. The dial has engraved waves. The helium escape valve works.

Movement Details

The original calibre 8800 beats at 25,200 vibrations per hour. It has a silicon balance spring. It is anti-magnetic to 15,000 gauss. Replica movements differ. A 2824 clone beats at 28,800 vph. A clone 8800 often uses a decorated rotor and a 55-hour power reserve claim. Few replicas match the magnetic resistance. Check the movement by looking at the balance wheel. A genuine 8800 has two barrels. Most replicas have one barrel.

How to Check a Replica 210

Check the helium escape valve. On a good replica it unscrews and has a crown. On a cheap replica it is fixed. Check the bezel action. The original has 120 clicks. A good replica has 120 clicks with no back play. Check the date wheel. The original has a black date wheel with white text. Check the lume. The original uses Super-LumiNova. A good replica uses a similar compound. Check the caseback. The original has a sapphire caseback with a wave pattern. A good replica has a sapphire caseback with engraved text. Check the crown. The original crown has a wave logo. A good replica has the same logo.

Water Resistance

Original: 300 meters. Replica: often 30 meters or less. Some high-end replicas claim 100 meters. Test only if you accept risk. Gaskets on replicas are lower quality. Do not dive with a replica.

Price and Sourcing

Prices for replica Omega Seamaster Diver 300 210 range from $80 to $600. Sourcing from online forums and dealer sites carries risk. U.S. Customs and Border Protection seizes counterfeit watches. Importing a replica into the U.S. is illegal. The original reference 210.30.42.20.03.001 sells for about $4,500 to $6,000 on the secondary market.