A modern office calculator can do much more than simple addition and subtraction. Functions such as TAX, MU, GT, memory M+, M-, or Check & Correct can significantly speed up daily work in a store, company, service, or service point. We explain what the most commonly encountered buttons mean and which features to pay attention to when choosing a calculator.

A new shipment of ELEVEN office and pocket calculators has arrived in our offer. We have expanded the selection of available models, and at the same time, we have also introduced new, lower prices for many calculators. We explain the differences between the various types of calculators and what features to pay attention to when choosing a device for a company, store, workshop, or service point.

A new shipment of sapphire glasses for watches has arrived in our offer. Sapphire is valued primarily for its very high hardness and surface scratch resistance. Contrary to its common name, it is not just ordinary glass of better quality. We explain what sapphire glasses are made of, how they differ from mineral ones, and what properties directly result from the material used.

When choosing a stretchable watch bracelet, you may encounter several different dimensions: width at the case, adjustment range of the fastening, width of the bracelet itself, length, and thickness. We explain what each of them means, what needs to be measured on the watch, and how to properly select the size of the bracelet.

The most reliable way to choose a quartz movement for a watch is to read the symbol stamped directly on the old movement. Then, you need to find this model in the offer and determine its correct version – among other things, the position of the date display, the presence of a second hand, and the height of the hour wheel. The watch model itself is usually not enough for a definitive choice of movement.

Selecting a winding crown for a watch requires checking several dimensions. The diameter of the crown, the thread of the stem, the diameter of the tube, the sealing method, and the case construction are important. We explain what needs to be measured before purchasing and why the appearance of the crown alone is not sufficient.

Watch telescope connects the strap or bracelet to the case. When selecting it, not only the length matters, but also the diameter of the case, the type of ends, and the mounting construction. We explain what to measure before purchasing and when a standard telescope may not fit.

Leather, silicone, plastic, and fabric materials differ in appearance, flexibility, moisture resistance, and usage. There is no one best strap for every watch. We explain which material works best for elegant, everyday, and sports watches.

When choosing a watch strap, the most important factor is the width of the attachment at the case, but length, width at the buckle, material, thickness, and the method of attachment also matter. We explain what to measure before purchasing and why two straps with a similar appearance may not always fit the same watch.

Choosing a watch bracelet requires checking not only the width of the attachment. The shape of the end, material, color, type of coating, length, adjustment method, and case construction are also important. We explain what needs to be measured before purchasing and why two bracelets of the same width do not always fit the same watch.