This fun wristwatch is perfect for math lovers and combines sophisticated design with high functionality. The sleek design and High-quality genuine leather strap make this watch a special accessory for every math enthusiast. Equipped with a Japanese CITAZEN movement, it guarantees precise timekeeping and a long service life. Features: * Case: Made of high-density 304 stainless steel, the watch case provides a noble look and impressive durability. The stainless steel is special to ensure skin compatibility and avoid allergies. In addition, the case is water-resistant up to 3 ATM, which offers additional protection. * Bracelet: The genuine leather strap ensures a comfortable and stylish Fit on the wrist. With a total length of 23 cm and a width of 1.5 cm it is ideal for different wrist sizes and customized adjustable. * Dial: The watch dial is made with a classic quartz movement which is known for its reliability and accuracy. The clean lines and the simple design make it easy to read the time. * Battery: The watch is powered by a SONY 377 SR626SW (1.55 V) Battery that ensures long life and consistent performance. * Motif: A special highlight is the dial with mathematical formulas instead of the usual numbers, which gives the watch an intellectual and original touch. Dimensions: * Watch thickness: 0.8cm * Total length of the bracelet: 23 cm * Band width: 1.5cm * Packaging: The wristwatch is delivered in a high-quality watch box, which is perfect for storage or as a gift. This unusual and thin wristwatch is not only a precise timekeeping instrument, but also a also a stylish accessory that combines the love of mathematics and elegance of science and design and can be worn on many occasions. Please note that the colors of the actual item may vary due to different computer monitor settings may differ from the what you see on your screen. - Product images differ from the original.