Package contents david clark watch user's guide basic information and technical specifications color : black case type : metal case diameter : 40 mm band type : artificial leather calendar : none dial : analog glass : mica strap type : adjustable band synthetic leather according to the watch band model, it is made of genuine leather, metal alloy, plastic, stainless steel or various types of linen fabric. all kinds of textile materials we use in david clark products are produced as azofree in accordance with the norms set by the european union and turkish standards institute. it does not contain any material harmful to health. lithium-ion battery the battery of your watch is manufactured with lithium-ion technology in harmony with the quartz internal mechanism. case back cover the 'back cover' part of your watch that closes the machine part of your watch and touches your skin is made of stainless steel metal material. this part, which is in contact with your skin most intensely, will reduce oxidation that may occur as a result of the contact of your watch case with sweat, thanks to its stainless steel structure, and there will be no oxidation on the back of your watch. case the case of your watch is manufactured from metal alloy in accordance with the norms determined by the european union and turkish standards institute, in a 'nickel free' manner. it does not contain any material harmful to health. important dear valued customer, thank you for choosing david clark. please read this manual in detail before using your product and follow all instructions for use. your david clark watch is covered by a two (2) year warranty from the date of purchase in accordance with the standards set by the ministry of industry and technology of the republic of turkey. conditions not covered by the warranty conditions arising from use, such as the battery of your product, aging of the cord, broken glass, oxidation, etc., are not covered by the warranty. damage caused by misuse, lack of maintenance, accidents or normal wear and tear. if your product does not have an expression such as "water resistant" and "water resistant", problems that may arise due to water penetration are not covered by the warranty. failures arising from situations such as opening your product by non-authorized services or using it contrary to product usage recommendations may leave your product out of warranty. requesting warranty and watch repair if your watch needs repair under warranty, please send it to an authorized watch service center with your watch, a copy of your receipt (and/or) warranty card and a description of the problem. charges may apply for service work not covered by this warranty. depending on the type of work, these fees may vary. the maximum time your product will spend in the technical service is 20 working days. the time your product will spend in technical service is added to the warranty period. life of your device and warranty period the information below is valid only for turkey. * the warranty period of this product is 2 years. This publication is ideal for readers seeking insightful and educational content. Prepared by experienced authors and printed with high-quality materials. Great for students, educators, and curious minds.