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There's a truth most luxury watch sellers won't tell you upfront: the condition of the case is one of the first things a serious buyer looks at in the pre-owned market. Before the papers. Before the production year. Sometimes even before the asking price.
In 2026, the second-hand watch market generates billions in annual transactions on platforms like Chrono24 and Watchbox. In this market, every scratch has a price. Here's what the numbers actually say.
How is a watch's condition evaluated in the secondary market?
On Chrono24, listings generally fall into these categories:
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New / Unworn: Never worn, often still with protective film.
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Very Good Condition: Worn but maintained, no visible marks to the naked eye.
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Good Condition: Light signs of wear, micro-scratches on the case.
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Fair: Visible scratches, previous polishing possible.
The difference between "Very Good Condition" and "Good Condition" seems subtle. On the selling price, it is not.
Rolex Submariner Date 126610LN: Up to €2,100 difference
The Submariner Date 126610LN is the most documented reference for measuring the impact of condition on value. According to market data from April 2026:
| Condition | Observed Price (EUR) |
| New / Unworn | €13,250 – €14,530 |
| Very good condition (no visible wear) | €11,880 – €12,400 |
| Good condition (micro-scratches) | €10,940 – €11,540 |
| Fair (visible scratches / polished) | €9,830 – €10,680 |
The difference between a Submariner in "Very Good Condition" and "Good Condition" is, on average, €850 to €1,300. Between an intact example and a polished one, the discount can reach €2,500 to €3,800.
A custom-fit ChronoSkin protective film for your Submariner costs €67.
Audemars Piguet Royal Oak 15500ST: The price of brushed steel
The 15500ST currently trades between €30,000 and €38,500 on the secondary market. Serious buyers apply a strict scale:
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Intact brushed surfaces: Justifies a premium, firm price.
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Scratched brushed surfaces: Immediate discount of 8 to 15%.
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Previously fully polished: Discount of more than 20%, or even refusal to purchase.
For a Royal Oak at €34,000, a 10% discount represents €3,400 lost due to everyday scratches.
Patek Philippe Nautilus 5711: Every flaw costs dearly
The 5711/1A currently trades between €68,500 and €98,000 in 2026.
A Nautilus with a polishing history can lose €12,800 to €21,400 in value compared to an example with an intact case.
The real math of protection
| Watch | Current Value | Condition-related discount | ChronoSkin Protection |
| Rolex Submariner 126610LN | ~€12,000 | €850 – €1,300 | €67 |
| AP Royal Oak 15500ST | ~€34,000 | €2,500 – €5,100 | €67 |
| Patek Nautilus 5711 | ~€77,000 | €8,500 – €17,000 | €67 |
Protection costs less than 0.1% of your watch's value. Condition-related depreciation costs between 5 and 20%.
What the smartest collectors are already doing
Case protection has become standard practice. The logic is the same as for automotive paint protection film (PPF): you don't drive a collector car without protection if you want to maintain its value.
"Too precious to stay in the safe" — the invisible film solves this paradox: wear your watch freely, without choosing between pleasure and financial value.
What defines a quality film
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Custom fit: Designed to the millimeter for your model.
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Invisible: Original finish completely preserved.
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Residue-free removal: No marks on the steel.
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Durable: Water-resistant, sweat-resistant, and anti-yellowing.
At ChronoSkin Lab, each film is designed and manufactured in France with a tolerance of 0.1 mm. 150 microns — undetectable to the naked eye.
Find the film for your watch → chronoskinlab.com
Sources: Chrono24 & WatchCharts data — April 2026. Conversions based on €1 ≈ $1.17. Indicative prices subject to market fluctuations.