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Frequently Asked Questions

Do you have any questions regarding your Mühle wristwatch, an order or how to get your time measuring instrument serviced? You can find plenty of handy information and answers to frequently asked questions here. Please also feel free to contact us or a specialist Mühle retailer at any time. You can find a retailer close to your location by using the overview on the “Retailers” page of our website. You can also contact us with your questions via our “Contact form” or by sending an e-mail to info@muehle-glashuette.de

General questions
concerning my Mühle wristwatch

What is a reference number?
The reference numbers of our Mühle wristwatches are comprised of a specific sequence of numbers (M1-XX-XX). “M1” always stands for “Mühle wristwatch”. The second pair of numbers specifies the family of watches, for example “M1-30-XX” for the “Teutonia II”. The first of the final two numbers defines a specific model or complication in the family, for example “M1-30-9X” for the “Teutonia II Chronograph”. The final digit in the reference number specifies the colour of the watch face, for example “M1-30-95” for the “Teutonia II Chronograph with a silver-coloured face”. When combined, all of these numbers form the special reference number for your Mühle watch. You can find this reference number on your warranty certificate or in your service book, for example. Please note: Case backs and instruction manuals are marked with the general number “0”, for example “M1-30-90” for the “Teutonia II Chronograph”. This is because these are used for all face versions, for example for the reference number “M1-30-92”, namely the “Teutonia II Chronograph with a midnight blue face”, too.
What is a serial number and where can I find it?
A serial number is only assigned once for each model. You can find it on the back of your watch case and on your warranty certificate or in your service book. The combination of the serial and reference numbers allows us to clearly identify your Mühle watch.
Where can I find technical details for my Mühle wristwatch?
The most important technical information on watches in our current collection can be found on our website by visiting the “Wristwatches” page and selecting your collection and model. Technical details for your model can also be found in the instruction manual for your watch. If you have any further questions, especially regarding older models, please feel free to contact us.
What precision can I expect from my Mühle wristwatch?
It is normal for mechanical watches to display a certain amount of tolerance because fluctuating temperatures, the tension of the winder springs or the position in which a watch is stored or worn can all affect its operation and accuracy. As we do not know how a watch will be worn, we always regulate our watches so that they are slightly fast, with a precision of between 0 and max. +8 seconds per day. Why? Because we want to ensure that Mühle watch wearers are never too late because of their time measuring instruments.
What are the characteristic features of a chronometer?
A chronometer is a watch that has been certified by the independent testing laboratory. To be certified, the movement or entire watch must successfully pass a certain number of precision tests in different positions and at different temperatures in an examination carried out over 15 days. The stipulated standards allow a maximum mean deviation of between -4 and +6 seconds per day. Our chronometer tests are carried out by the German Chronometer Testing Laboratory in the Glashütte Observatory.
Do I need to wind my mechanical wristwatch by hand?
All Mühle wristwatches have a mechanical winding mechanism. Their movements are powered by a spring, the so-called mainspring, which needs to be wound up. Mühle watches with hand-wound movements have to be wound by hand regularly before they run down completely. If you wear your Mühle hand-wound watch on a daily basis, we recommend that you wind it up at the same time every day, preferably in the morning before you put it on. If your Mühle watch is equipped with an automatic movement, it is wound by activity while you are wearing it. Alternatively, the watch can be wound by hand. Mühle automatic watches are equipped with a slip coupling so cannot be over-wound when winding by hand. If your automatic watch has stopped, for example after not being worn for a long time, we recommend that you wind it up fully by hand. To do so, turn the crown 20 to 30 times in a clockwise direction or in the direction of the 12 o’clock mark. Your Mühle wristwatch will then return to being automatically wound when you wear it on your wrist.
Can I wear my Mühle wristwatch when swimming?
Watches with a watertightness of 10 bars or above are suitable for use when swimming. This applies to virtually all of the watches in the Mühle collection. If you want to wear your watch when diving, however, it needs to have slightly more pressure resistance: at least 20 bars according to the standard DIN 8310. Please note: As a general rule, leather straps should be protected from water so that they will retain their shape and beauty over time. Our Russia leather straps have been specially treated to make them water-repellent and therefore ideally suited for use during outdoor activities. They should not, however, be worn when swimming or surfing.
Who can I contact if I have a question?
We are happy to answer all of your questions regarding Mühle wristwatches directly from our headquarters in Glashütte. Alternatively, you can visit an authorised specialist Mühle retailer closer to your location.

Shipping & payment

What payment options are available in Mühle-Glashütte’s online shop?
When you place an order in our online shop, you can choose from a number of payment options. Simply select the option that is most convenient for you: You can choose to pay via PayPal, direct debit, credit card or invoice (for goods with a value of up to EUR 1,500). We use PayPal Plus to process payments and ensure the quick and secure completion of your purchase transaction. You do not require a PayPal account for this payment processing.
What details do I need to enter when ordering from Mühle’s online shop?
You can order from the Mühle-Glashütte online shop as a guest or choose to create a customer account. The advantage of creating a customer account is that you will then have your own user account that allows you to quickly place subsequent orders or view your order status. We require your address to process your order.
When is payment for my order due?
Payment is due when you place your order. You will be shown the payment options in our shop during the order process. You will then receive your order confirmation.
How quickly will I receive my delivery?
You can find all delivery times for our individual models directly in our shop. Your watch will be sent to you within the delivery period specified.
Will I be informed that my watch has been sent?
As soon as your Mühle wristwatch has left our company, you will receive notification of dispatch via e-mail. You can use the tracking code to track your UPS delivery.
What happens if I do not want to keep a watch I have ordered?
You can, of course, return an unworn watch within 14 days or cancel the purchase contract concluded in the Mühle-Glashütte online shop within this period. Once we have received and inspected a watch that has been returned, we will refund you the purchase price. We are also happy to advise you on alternative models in our collection.
How can I register a return?
Please contact us if you want to return a watch. We will be happy to order a return label for you so that you can return your parcel to Glashütte free of charge. Simply contact us by calling +49 35053 3203-0.

Questions on watch servicing

How often does my mechanical Mühle wristwatch need to be serviced?
Mechanical watches should be serviced from time to time. Over the years, the processes taking place inside the movement cause a certain amount of abrasion due to parts wearing. This abrasion contaminates the oil and sometimes forms deposits, which may cause the precision of the watch to deteriorate. We therefore recommend that our watches be fully serviced every four to five years. We advise wearers to get the watertightness of their watches checked every two years.
Who can service my Mühle wristwatch?
You have various options, if you would like to have your Mühle watch professionally serviced. For example, you are welcome to bring your watch directly to our factory or send it to us by post with the note "Service". Please contact us in advance if you would like a service in our factory in Glashütte. We will be happy to provide you with more information about our services, the safe shipping of your Mühle watch and send you a return slip. In addition, you can contact a Mühle specialist dealer in your area. They will not only give you competent advice, there you can also hand in your watch for an inspection conveniently and easily.
How long does it take for a watch to be serviced by Mühle-Glashütte?
Our service times vary depending on the complexity of the repair work required. Servicing currently takes eight weeks after confirmation of the individual cost estimate.
What are the most important aspects of a Mühle service?
In addition to service work on the case, our watchmakers also place high value on the inner workings of a watch, namely fully servicing its movement. This involves the complete disassembly, cleaning, re-oiling, regulation and inspection of the movement.
How much does a watch service cost?
The price for a full service depends on the watch and its complications and varies between EUR 294.00 and EUR 395.00. This price only applies to watches directly sent to us by you and covers all aspects of a full service, which includes replacing the crown and tube, regulating the movement, ensuring that the watch is water-resistant and, if requested, refurbishing the case. You will then be granted a new two-year warranty.

Warranty

Is the manufacturer warranty renewed after a service?
We grant a two-year warranty on repair and service work that is listed accordingly on the invoice or delivery note and carried out in our workshop.
How long is the manufacturer warranty for my Mühle wristwatch?
The company Mühle-Glashütte GmbH provides a 24-month warranty on the flawless functioning of a Mühle watch from the date of purchase. During the warranty period, production defects are remedied free of charge. Excluded from the warranty are defects caused by improper treatment, failure to observe the instruction manual, external influences (shock, pressure, temperature) or unauthorised interference. Also not included in the warranty is cosmetic damage to the case, glass or strap caused due to normal wear or improper use.
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