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Which watches are being compared?
The Rolex is the black Submariner Date reference 116610LN, a historical model from the ceramic-bezel era. Bob’s Watches describes it as a 40 mm watch powered by calibre 3135. Its comparison pairs it with a 2018-era Omega Seamaster Diver 300M described as 42 mm, ceramic-bezel equipped, and powered by calibre 8800. These are retailer-published specifications, not results from a shared test. Bob’s Watches’ comparison
The Omega title does not identify a single reference, dial, or bracelet/strap. The 2018-era 42 mm, calibre 8800 watch is therefore the working comparator here; details that vary across Diver 300M references are not treated as universal collection specifications. Omega’s 2019 collection material and 2024 release illustrate that the line has continued to evolve. OMEGA’s 2019 collection material and OMEGA’s 2024 Diver 300M release
At a glance
| Comparison point | Rolex Submariner Date 116610LN | 2018-era Omega Seamaster Diver 300M comparator |
|---|---|---|
| Case diameter | 40 mm, as reported by Bob’s Watches (2021). | 42 mm, as reported by Bob’s Watches (2021). |
| Movement | Calibre 3135, as reported by Bob’s Watches (2021). | Calibre 8800, as reported by Bob’s Watches (2021). |
| Bezel | Ceramic bezel era; the exact 116610LN configuration should be verified against the watch and its documentation. | Ceramic-bezel equipped in the retailer comparison; specific execution depends on the reference. |
| Bracelet or strap | Verify the actual bracelet, links, clasp, and condition on the individual listing. | Not established for one exact reference in the comparison source; check the specific watch. |
| Depth rating | Rolex’s current family page states 300 m, but that page describes current models and is not a complete historical 116610LN specification sheet. | Not established for the selected exact reference by the cited comparison material. |
| Current market price or value trend | Not stated by the cited sources. | Not stated by the cited sources. |
How size and wrist fit differ
The published diameter difference is 2 mm, but diameter alone does not predict how either watch will wear. Case shape, lug-to-lug length, thickness, bracelet articulation, clasp position, and wrist shape all affect fit; the cited materials do not provide a like-for-like set of those measurements.
#1 Best Overall
- Pre-Loved Condition: Excellent; Light scratching and tarnishing throughout hardware
- 40mm
- Made in Switzerland
- Flip-lock clasp
- Signature upon delivery required
If possible, try both watches on the wrist, with the bracelet adjusted to a comparable fit. Check whether the case overhangs, whether the watch stays centered, and whether the clasp sits comfortably underneath. A larger nominal diameter does not automatically make the Omega uncomfortable, nor does a 40 mm case guarantee that the Rolex will suit every wrist.
Movement generation and what the sources establish
The 116610LN’s cited calibre is the Rolex 3135, while the selected Omega generation is associated with calibre 8800 in the retailer comparison. The cited sources do not provide common-condition timing results, reliability rates, or service-cost comparisons, so they cannot establish which watch keeps better time or is more durable.
Generation matters when comparing either family. Rolex’s official history says the Submariner was redesigned in 2020 with a 41 mm case, using calibre 3230 in the no-date Submariner and calibre 3235 in the Submariner Date. That is distinct from the 116610LN’s cited 40 mm/3135 configuration. Rolex Submariner history
Omega’s 2024 release describes newer 42 mm Diver 300M watches with calibre 8806. That is not the same movement specification as the 2018-era calibre 8800 comparator, despite the shared collection name and case diameter. OMEGA’s 2024 release
Bezel, display, and day-to-day use
Both watches are positioned as dive watches, but collection-level claims should not be mistaken for a complete specification of every historical or newer reference. Rolex’s current Submariner page describes the family with a 300 m depth rating, a unidirectional 60-minute Cerachrom bezel, a luminous display, an Oyster bracelet, and a Triplock crown. The page’s current Submariner Date is a newer 41 mm model with calibre 3235, so these details should not be transferred wholesale to the 116610LN without checking model-specific documentation. Rolex Submariner features
For practical use, assess the individual watch’s bezel action and alignment, the legibility of its dial and hands in the conditions where you wear it, and whether its date display is easy for you to read. The cited comparison does not establish a controlled legibility or bezel-performance winner.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Bracelet, clasp, and configuration
The exact Omega bracelet or strap is not pinned down by the title or the comparison source. Diver 300M configurations vary, so identify the reference and inspect the actual item rather than assuming a bracelet, clasp, or dial from the collection name. OMEGA’s 2019 and 2024 materials document different collection contexts, not a single universal configuration.
For either watch, check that the bracelet or strap is original to the listing if that matters to you, that all removable links are present, and that the clasp closes securely. A missing link or worn component affects fit and may affect replacement expense, but the cited sources do not provide current parts or service pricing.
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- Choose the 116610LN if you specifically want the historical 40 mm Rolex Submariner Date configuration and are satisfied with the condition, documentation, and asking price of the individual example.
- Choose the 2018-era Diver 300M if you prefer the cited 42 mm Omega generation and its calibre 8800, after confirming the exact reference and its dial and bracelet or strap.
- Try both before deciding if wrist fit, clasp comfort, or dial legibility is decisive. The two-millimetre diameter difference is a useful starting point, not a fit verdict.
- Do not decide on investment claims alone: the cited sources provide no like-for-like dated market series, resale returns, or evidence that one is objectively the better investment.
What to check when buying a pre-owned 116610LN
- Match the reference. Confirm that the listing identifies the watch as 116610LN and compare the physical watch with its paperwork and seller description. The retailer comparison provides a model-level starting point, not authentication of any particular listing.
- Ask for serial-era and ownership documentation. Request clear photographs and available records, and have a qualified watch professional assess the specific watch if its identity or condition is uncertain.
- Review service history. Ask for dated service records and clarify what work was performed. Do not infer service history from the brand or the seller’s general assurances.
- Inspect condition and completeness. Examine the case, bezel, crystal, dial, hands, bracelet, clasp, and included links. Ask whether components have been replaced or refinished and whether the listing discloses those changes.
- Check seller protections before paying. Read the return terms, written authenticity protections, payment conditions, and dispute process. Verify these against the seller’s current terms, not an assumption based on retailer reputation.
- Compare dated asking prices for like-for-like watches. Match reference, condition, included accessories, and seller protections. The cited sources do not establish a current market price or a reliable value trend.
Is the Submariner worth the difference?
There is no supported universal price gap or value verdict in the cited material: it contains no current comparable listings or resale-return data. Decide whether the 116610LN is worth its actual asking price by comparing the specific watch’s condition, records, completeness, seller protections, and fit with those of the exact Omega reference you are considering. Any claim that one is objectively the better buy or investment would require dated, like-for-like market evidence that is not provided here.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
