A replica Omega Planet Ocean Ultra Deep is a copy of Omega's 6,000 meter dive watch, built to match the original's 45.5 mm case, manta-style lugs, and domed sapphire crystal. It reads as a large titanium-look diver on the wrist. It is not a diving tool, and no copy should go in the water.
What is the Omega Planet Ocean Ultra Deep?
The Ultra Deep is Omega's deepest-rated production dive watch, with a case tested to 6,000 meters of water pressure. The design comes from a 2019 prototype that reached the floor of the Mariana Trench at about 10,900 meters. Omega moved it into regular production in 2022.
Three traits set it apart from other Planet Ocean models:
- Manta lugs. Flat, twisted lugs that hold a strap without conventional spring bars.
- A tall domed crystal. The sapphire rises above the bezel line to handle pressure.
- A large case. 45.5 mm across, with a thickness above 15 mm.
That size is why people look at copies. A new titanium Ultra Deep costs a large sum, and the copy market serves buyers who want the shape without the outlay.
What to check on a replica Ultra Deep
Case size and wrist fit
45.5 mm is a big watch, and the Ultra Deep wears larger than the number suggests because of the domed crystal and manta lugs. Check the lug-to-lug figure before you order. On a wrist under about 17 cm, the case will overhang the edges.
Case material and finish
Real Ultra Deep models use Grade 5 titanium, which is light and gray. Copies come in titanium, 316L stainless steel, or coated steel made to look like titanium. Steel copies weigh more, and that weight is the first thing an experienced owner notices.
Ask the seller which material you are getting. Brushed and polished surfaces should meet at sharp lines, with no blur between the two.
Bezel, dial, and crystal
The bezel insert should be ceramic with a matte finish and crisp markers. On cheap copies the insert looks glossy, and the numbers sit shallow.
Look at the lume next. The real dial glows for a full night. Copies fade in a few hours, and the glow color can drift from the original's blue into green.
Movement inside the copy
Omega uses a Master Chronometer caliber with a co-axial escapement. Copies run one of three things: a quartz module, a basic automatic, or a decorated clone with rotor text that copies the original.
An automatic copy with a smooth seconds hand feels closer to the real experience. A quartz version ticks once per second and gives itself away at arm's length.
Water resistance: what to expect
No replica is pressure tested to 6,000 meters, and most are not sealed past everyday splash contact. A 100 meter mark on a copy is a line on the caseback, not a test result. Keep copies out of pools, showers, and the sea.
What does a replica Ultra Deep cost?
Price tracks the movement and the case material, not the badge on the dial. Quartz copies sit at the bottom, steel automatics in the middle, and titanium automatics with a decorated clone movement at the top.
Ask for photos of the exact watch you will receive, not stock images pulled from a catalog. A seller who sends live photos and a short video of the running seconds hand is easier to trust.
Common flaws on cheap Ultra Deep copies
- Bezel markers that do not line up with the dial at 12.
- Manta lugs molded into the case instead of cut as separate shapes.
- A crystal that sits flat rather than domed above the bezel.
- Caseback engraving that is shallow and printed rather than etched.
- Crown guards that look soft and rounded at the edges.
How to care for a replica dive watch
- Keep it dry. If fog forms under the crystal, the seals have failed.
- Store it away from speakers, magnets, and tablet covers.
- Wind it by hand for 20 to 30 turns when an automatic copy stops.
- Wipe the case and strap with a soft cloth to keep the finish even.
Frequently asked questions
Is a replica Ultra Deep waterproof?
No. Treat any copy as splash resistant at best. A 6,000 meter rating on the dial copies the original's spec; it says nothing about the copy in your hand.
Does the copy use the same movement as the real watch?
No. Omega's co-axial Master Chronometer movement is not sold to copy makers. Copies use quartz, a generic automatic, or a clone built to look like the original from the back.
Which size should I pick?
The Ultra Deep comes in 45.5 mm only, so copies follow that case. If it feels too big, a standard Planet Ocean copy in 42 mm or 39.5 mm suits most wrists better.
How can I tell a good copy from a bad one?
Check the bezel alignment, the height of the crystal dome, and the finish on the manta lugs. Photos taken in daylight show more than studio shots with heavy glare.
Quick checklist before you order
- Confirm the case material: titanium, steel, or coated steel.
- Confirm the movement: quartz or automatic.
- Ask for live photos and a video of the watch running.
- Ask about the return window and the shipping method.
- Accept the water resistance limit. It is a cosmetic feature on a copy.
A replica Planet Ocean Ultra Deep is about the look: a wide dive watch with a domed crystal and manta lugs. Buy it as a style piece, keep it dry, and judge it on the finish rather than on a depth rating it cannot back up.