What the term covers
The hippocampus is a seahorse. Omega stamps it on Seamaster casebacks as the line emblem. Buyers and sellers use the word as a short name for the Seamaster family, so the search term replica hippocampus 2016 points to copies of Seamaster watches built in 2016.
Seamaster models in the 2016 catalog
- Seamaster Diver 300M, 41 mm, calibre 2500D, ceramic bezel insert, wave dial.
- Seamaster 300 Master Co-Axial, 41 mm, calibre 8400, no date, sapphire caseback.
- Aqua Terra 150M Master Co-Axial, 38.5 mm and 41 mm, calibre 8500 and later 8900.
- Planet Ocean 600M Master Chronometer, 43.5 mm, calibre 8900, METAS certified. Omega showed this version at Baselworld 2016.
- Planet Ocean 600M GMT, 43.5 mm, calibre 8605.
How the 2016 copies were built
Most of these used a 2824-family automatic or a 21,600 vph Asian clone with a decorated rotor. The best examples held case size within 0.5 mm of the genuine number. Common parts were 316L steel cases, ceramic bezel inserts, sapphire crystals with one anti-reflective coating, and screw-down crowns. Aqua Terra copies used stamped teak dials. The pattern reads flat next to the genuine galvanic dial. Lume on the cheap tier glowed green on references where the original glows blue.
Checks on a 2016-era copy
- Caseback engraving. Genuine hippocampus lines are deep and crisp. Early copies show shallow, wide lines and rough edges.
- Date font and window. Position and magnification differ on low-tier builds.
- Bracelet end links. Gaps of 0.3 mm or more are common.
- Bezel action. Genuine ceramic bezels click at 120 positions with no play.
What no replica has
METAS Master Chronometer certification, the 15,000 gauss magnetic resistance of the Master Co-Axial calibres, and an Omega warranty. Factory names and batch details from 2016 are hard to confirm now. Most records come from forum posts, not from makers, so treat any single claim with care. Prices for these watches run from about 200 to 500 US dollars, and resale value is close to zero.