U-Boat 8463/B Darkmoon 44mm SS 5ATM. Swiss precision movement Ronda 712.3 quartz, in an oil bath. Stainless steel AISI 316L, completely filled with a special oil that envelops the dial, this creates the illusion of the absence of glass and the optical effect of a more intense black and a better one Visible air bubble on the dial to compensate for temperature fluctuations. Characteristic crown on the left.Innovative locking system (safety ring system) for quick battery changes. Hands, numbers and indexes treated with beige Luminova. Ultra-resistant vulcanized rubber in black color, personalized with the brand's relief logo. 8351 / Z / Buckle ref. Operating temperature between 0 ° / + 60 ° C when not worn. Do not leave the watch in the sun or near a heat source for too long. After use, you can return used batteries that we carry or have carried as new batteries to a municipal collection point, to your local retailer or to our dispatch warehouse (BOLK e-commerce GmbH, Rathausplatz 3, 52152 Simmerath, Germany) free of charge. The symbols shown on the batteries have the following meaning: The symbol of the crossed-out dustbin means that the battery must not be disposed of with household waste. The other symbols shown inform about the chemical meaning of the pollutants contained: Pb = battery contains more than 0.004 mass percent lead Cd = battery contains more than 0.002% by mass Cadmium Hg = Battery contains more than 0.0005% mercury by mass. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Watches\Wristwatches". The seller is "timeshop24" and is located in this country: DE. This item can be shipped to North, South, or Latin America, all countries in continental Asia.