This Seamaster 300 ceramic replica is more useful when treated as a construction audit than as a factory advertisement. The watch combines a dark bezel, steel case, broad bracelet and vintage-influenced dive-watch cues. Each part is familiar on its own, but the quality of the execution is determined by how those parts meet.

Construction audit
- Bezel: check twelve o’clock alignment, numeral filling and the height of the bezel above the mid-case.
- Crystal: an overly high crystal can make the watch appear thicker than intended.
- Crown area: crown size and tube alignment should look deliberate rather than crowded.
- Bracelet: end links, clasp engagement and link articulation are more informative than weight alone.
- Case finishing: brushed and polished surfaces should meet at crisp edges rather than blending together.
The original article also made strong claims about water use. Those claims should not be assumed for any replica without individual pressure testing. A dive-watch appearance does not prove a specific water-resistance level.
The dial deserves a separate check even though the article is organised around construction. Marker height, hand length and lume colour should remain consistent, while the printed minute track needs to sit evenly inside the bezel. On a simple three-hand dive watch, a small marker or printing error can become more obvious than on a busy chronograph.
Movement language should be literal
If a replica uses an ETA architecture or a movement described that way, the practical advantages can include familiarity and serviceability. That is different from claiming the movement duplicates Omega’s genuine calibre. Decorative elements should be described as decorative unless the underlying architecture genuinely matches.
Service access is part of the ownership picture. A familiar movement architecture can sometimes be easier for an independent watchmaker to maintain than a heavily modified decorative clone. That may matter more over several years than whether the movement looks impressive in a photograph.
Readers can place this watch beside other generations in our Omega Seamaster replica coverage. At Ibis Watches, the useful conclusion is based on bezel alignment, case finishing, bracelet construction and honest movement description rather than claims that a replica is automatically safe for diving or impossible to distinguish.