If you are shopping a Speedmaster with the calibre 863 inside, the quickest way to avoid a disappointing purchase is to know what the genuine movement, dial and case are supposed to look like. This guide covers the details collectors inspect first, then explains how the replica examples we stock line up against them, so you can choose with clear eyes and realistic expectations.
speedmaster cal 863 replica review
What is the Speedmaster calibre 863?
Calibre 863 is the hand-wound, Lemania-based chronograph movement Omega fitted to Moonwatch references of the 1980s, a refinement of the 861 with a brighter rhodium-plated finish. It uses 17 jewels, runs at 21,600 vibrations per hour and keeps the same flat hairspring and cam-actuated chronograph layout as its predecessor.
replica speedmaster cal 863 vs cal 861
Key features of the cal 863 Speedmaster
- Hand-wound chronograph movement modelled on the Lemania 1873 family architecture
- Rhodium-toned bridges and plates with straight Geneva striping
- 17-jewel layout, 21,600 vph beat rate and roughly two days of running time
- 42 mm asymmetrical case with lyre-shaped lugs and a signed crown
- Stepped dial with applied logo, thin baton hands and dot-over-90 bezel styling
- Choice of hesalite-style or sapphire crystal over a matte black dial
- Steel bracelet or leather strap options, both quick to swap
Materials and specifications
Our calibre 863 pieces are built in 316L stainless steel with a screw-in caseback, a stepped dial and a hand-wound chronograph module finished to echo the original's plating and striping. Water resistance is rated for everyday wear and splashes rather than diving. Each watch is sold openly as a replica, clearly labelled on the listing and in the paperwork, and is never represented as a genuine Omega.
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How do you tell a replica from a genuine cal 863?
On a genuine example, the engravings are crisp and shallow, the dial printing sits slightly raised under magnification, and the lume plots age unevenly. Replicas usually show softer caseback lettering, a flatter dial finish and pushers with a lighter click. Compare serial fonts and lug finishing side by side and the differences read quickly.
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Shipping and returns
Orders ship within one business day in protective packaging, with tracking provided as soon as the parcel moves. If the piece does not suit you, returns are accepted within the stated window as long as it comes back unworn with its tags intact, and our team answers sizing or specification questions before you buy.
Which one should you pick?
Buy a genuine cal 863 if provenance, service history and resale matter to you. Choose one of our replicas if you want the same wrist presence and dial layout for daily wear without the collector price or the worry of damaging an original.