Watch water resistance is strictly tested as per the various points of standards ISO 22810 or ISO 6425. Other tests are also applicable. Water...+++
The wearer can sometimes drop their watch out of clumsiness. When it hits the ground, the watch will sustain an extremely violent impact, of up to...+++
REACH & RoHS analyses, allergens and toxic substances
The entry into force of REACH in 2007 led us to develop our resources and skills in compliance analyses. We have subdivided our analysis range into...+++
It is estimated that 10 to 20% of women and 1-3 % of men suffer from a nickel contact allergy. It is important to highlight that it is not the...+++
The reliability of a product is generally determined by applying accelerated operating cycles, providing optimum reproduction of real conditions of...+++
Based mainly on watchmaking standard NIHS 96-50, these tests can be adapted to various metal items from the jewellery or leather goods...+++
Wear, scratch and impact resistance tests
Degradation of the visual aspect of a watch or jewel when worn is an essential perceived quality factor for the consumer. Surface alterations of...+++
In recent years, a host of legislation (REACH, RoHS, etc.) has emerged, with the aim of preventing or restricting use of molecules harmful to...+++
Monitoring of industrial standards
As an active participant in watchmaking standardisation, Laboratoire Dubois now offers a quarterly monitoring newsletter. We monitor on your behalf...+++
Watchmaking development support
Thanks to the experience of its employees and the cross-discipline expertise of its departments, Laboratoire Dubois is able to support its customers...+++
Surface tension, surface finish and contamination
The cleanliness of a surface is a key parameter in various industrial processes. It can be characterised by measuring the contact angle of a...+++
Developed in the late 1970s by the Reliability Test Centre of the Swiss Watchmaking Industry Federation (FH), the...+++
Multiples indirect shock tests
On the wrist, the watch is subjected to frequent accelerations and numerous impacts of all levels of intensity. These mechanical stresses affect the...+++
The reliability of wristlets and clasps is carefully inspected by a combination of several mechanical and climatic tests. For any type of wristlet,...+++