LONGINES Precision
Your timepiece reflects an expertise steeped in Tradition, Elegance and Performance. Endowed with a high technical know-how and expertise, our expert watchmakers work all over the world.
From the most recent to the oldest pieces, from the simplest to the most complicated movements, from steel to jewelled watches, we take care of the timepieces entrusted to us with skill and care.
Our know-how in video
FULL SERVICE
A full service restores the function and aesthetic aspect of your watch. It includes a disassembly and a replacement of worn components inside the movement.
RESTORATION
Every ancient watch has a unique story and a priceless sentimental value for its owner. Your precious watch deserves the best possible service, so that its story lives on to the next generation.
JEWELLERY
Your watch is more than just an accessory. It represents a precious heritage of memories and special moments. Over the years it may suffer the ravages of time, but you can be sure that our jewelers will restore it to its former glory.
POLISHING
Polishing can restore the original shine to a watch which has been worn for some time.
1
Diagnostic
A specialist watchmaker analyzes the reason for which the watch has been submitted for maintenance and identifies the watch from its unique serial number.
2
Case disassembly
Disassembly of the case and its components (glass, back, bezel, various seals, etc.) and separation of the movement.
3
Movement disassembly
Full part-by-part disassembly of the movement.
4
Case polishing
Polishing of the case to restore the original lustre to a watch which has been worn for some time.
5
Case cleaning
Cleaning of the case in special baths used for ultrasound treatment.
6
Preparing the components of the movement for cleaning
Each component of the disassembled movement is placed in containers specific to small watch parts.
7
Movement cleaning
These containers are in turn placed in specific baths inside an ultrasonic cleaning machine.
8
Case reassembly
Reassembly of the case and replacement of the necessary components (glass, pushers, tube, seals, etc.).
9
Movement reassembly
Reassembly and oiling of movement to LONGINES specifications.
10
Installation of case and movement
Assembly of movement (including dial and hands) in the case and complete reassembly of the watch.
11
Technical and cosmetic checks
Final technical (precision, power reserve, water resistance) and cosmetic checks on the watch, according to LONGINES specifications.
1
Diagnostic
A specialist watchmaker analyzes the reason for which the watch has been submitted for maintenance and identifies the watch from its unique serial number.
2
Disassembling the case and the movement
Opening of the case and disassembly of its components (glass, back, bezel, various seals, etc.) and separation of the movement.
3
Cleaning the case
Cleaning of the case by immersion in special products which enable ultrasound treatment.
4
Assembling the case and the movement
Assembly of movement (including dial and hands) in the case and complete reassembly of the watch.
5
Technical and aesthetical final control
Final check with inspection of technical functions and aesthetic appearance, according to LONGINES specifications.
1
Diagnostic
A specialist watchmaker conducts a detailed, full examination to establish the nature of the tasks to be performed and identifies the watch model from its unique serial number.
2
Case and movement disassembly
Disassembly of the case and its components (glass, back, bezel, seals, etc.) and separation of the movement from the case.
3
Polishing
Polishing of the case to the original specifications, taking the age of the watch into consideration.
4
Case cleaning
Cleaning of the case by immersion in special baths used for ultrasound treatment.
5
Movement cleaning
Deep cleaning of all the components of the disassembled movement, using ultrasound and specific baths. During this process, the washing basket rotates slowly as it is lowered.
6
Verification of components
Examination of each component to establish whether signs of deterioration are present. Where applicable, repair or replace components.
7
Part taken from stock
A new part is taken from stock as a replacement for a part which has been identified as defective.
8
Adjustment of the part
Adjustment of the part according to requirements. In this case, adjustment of the wheel on the pivoting tool.
9
Movement reassembly
Assembly and oiling of movement to LONGINES specifications.
10
Installation
Fitting the movement, complete with its dial and hands, inside the case and securing it in place.
11
Testing
Testing the precision of the watch using a measurement and calibration device and adjustment to LONGINES specifications.
12
“Before and after” comparison
Comparison of the watch upon arrival at the LONGINES workshops and after restoration.
Discover all our services
Services
Having your watch properly serviced will preserve its perfect function according to our high quality standards, as well as its aesthetic appeal.
Warranty
See what's included in your LONGINES international warranty.
Send us your watch
If you need to send your LONGINES watch to our service center, please use our free shipping service.
Care instructions
Recommandations to help you preserve your LONGINES watch over the years.
History of my watch
Historical information about a LONGINES watch.
Find a service center
Make sure you drop your watch off at an authorized service center using our online store locator.
Contact us
You have a question about our products or services? We are here to help.
