buy your watch with the Mostra guarantee
Mostra certifies and guarantees all its watches: The Mostra guarantee applies not only to the functioning but also to the quality and authenticity of the watch. Based on the precise description of each watch offered on our website www.mostra.store.com, you can select the watch of your choice and, if you wish, request the expertise and knowledge of our experts, available for you either by email, by telephone or possibly by videoconference.
With for some of them, more than thirty years of experience in the field of second-hand watch sales, expertise in auctions and in collaboration with watch brands via their services Museums, design of models or press department; Mostra-Store is able to guarantee you the best investment for the purchase of your second-hand watches.
You can contact us at any time:
Via our website by contact form by clicking here,
By e-mail at contact@mostra-store.com
And during our opening hours of our shop in Aix en Provence:
By phone on +33 (0)4 42 58 72 79
By videoconference by asking appointement by mail
The Mostra Pre-Sale Authenticity Process includes several certification stages which break down as follows:
Assessment of the working condition by our specialized vintage technical center.
Refurbishment if necessary, by Vintage Master Watchmaker according to the brand, model and age of the watch in question.
Assessment of its Authenticity with an audit of the various components of the watch by our specialized experts.
Appraisal of its cosmetic condition by our sellers and replacement if necessary by our specialized vintage technical center.
Detailed photograph of the watch and registration of the characteristics in our database.
Verification and evaluation of the watch by our committee of vintage second-hand experts.
Final control of the quality and characteristics of the watch according to its original criteria before the sale.
Storage of the watch in ideal conditions depending on the model considered and checking of the condition at regular intervals depending on the place of storage. The purchased watch is covered by a one-year warranty under appropriate use in its condition.
All the different elements of an item sold full-set are of course authenticated by our experts and kept with the greatest care in order to send them to you in the best possible state of conservation.
The purchase invoice gives rise to a two-year guarantee on the operation of our vintage collection watches. This guarantee, which runs from the transfer of ownership, is only exercised in our shop, Mostra-Store (Provence Montres) will in no case pay an external invoice.
The guarantee of products following a sale applies with regard to suitable storage by the user and normal use of a vintage collector's watch. This use must correspond to the characteristics and limitations of the watch concerned, and as such fulfill the transport and packaging conditions suitable for the travel of products deemed to be “very fragile”.
Mostra-Store will in no case take into account in the guarantee of the products: an accident or manipulation having caused a shock, improper handling, lack of care likely to damage the watch, negligence during the immersion of the watch or its contact with a liquid for non-waterproof watches, exposure to a gas or to temperatures that are not compatible with the normal operating range of a vintage watch, and to a malfunction due to incorrect screwing down of the crown of the watch for waterproof models.
Wear or damage to the battery, bracelet, case, crown, pushers and crystal are not covered by the warranty.
In certain cases, and on request, Mostra-Store can guarantee certain models of vintage watches over a longer period than the product guarantee following a sale. In this case, this exceptional guarantee must appear on the purchase invoice of the product and be considered as an extension of guarantee applying only to the duration of the guarantee following a sale.
The warranty does not cover all malfunctions or alterations due to opening the watch, loss of parts, maintenance outside our workshops or replacement of spare parts of the watch. Any modification of the original condition observed by us during the sale will result in the cancellation of the purchase guarantee, as such, a description or a photo of the watch in its original condition observed is available during of the sale of our watches on simple request from you at the time of purchase.
Mostra is therefore able to sell a watch with a full guarantee of authenticity. The numbered and certified Mostra certificate of authenticity included in your purchase documents in addition to the invoice provides an assessment of the evolution of the value of the watch by comparison of its rating on the markets.
For any additional information, we invite you to refer to our general conditions of sale.
Maintain your Watch with our certified and specialized Master Watchmakers brands and vintage collection
On a technical level, Mostra calls on the skills and certification or approval of master watchmakers and watchmaking companies specializing in the maintenance of second-hand and vintage watches. Sometimes, when possible, Mostra uses the technical services of Marques.
These services include, according to your needs and your agreement:
A mechanical and aesthetic condition report with a review of the value parameters if the watch is vintage or collectible.
A repair estimate.
A polishing of the case and the bracelet if necessary.
Cleaning with special solutions compatible with vintage condition.
Lubrication of movement components and mechanical wear parts with replacement if the descriptive estimate is validated.
A review and function tests after overhaul.
A water resistance test measurement if the watch has this feature.
A final quality control in respect of the functioning and appearance of your collector's watch with regard to its original condition and the conditions of use that you wish to apply to it.
After the maintenance of your watch by us, a warranty period of 24 months covers the use of your collector's watch for the use considered during the repair estimate.
With Mostra, you are guaranteed to receive and be able to have your watches serviced by the master watchmaker specialist of each brand in the field of vintage or collection and not to risk distorting the value of your watch by replacing a less consistent with its value.
Mostra is a brand of Mostra SAS, Cours Mirabeau, 3 place Forbin 134100 Aix en Provence.