![]() ![]() ![]() ISO 2281 Horology – Water-Resistant Watches Is the watch immobile, or is it under dynamic pressure? What is the salinity of the water, and its temperature? How rapid was the change in pressure from sea level? How long has the watch been immersed? These factors can all detract from the watch's performance and complicate our understanding of its use.įor our clients in the field, TimescapeUSA offers these suggestions: Just like the CBO's latest budget projections, it applies in specific, almost unlikely conditions. Importantly, the rating is not a guarantee. The value will be expressed in feet, meters, or atmospheres, and it alludes to the maximum safe water depth for your watch. Your water resistant piece is marked with a rating on the dial or case back. The addition of a special valve compensates for sudden increases in internal pressure that could explode a rapidly resurfacing watch. Precision CAD case-making, screw-tight crowns, and rubber gaskets make even casual wear pieces better able to resist water than anything fashioned by George Daniels or Abraham-Louis Breguet.Ī dive watch designed for serious depth is supplemented by heavier gasketing, thicker case components, and a screw-in case back. The solution is to create a water resistant seal at each of these locations. “What makes a watch water-resistant?”Įvery seam in a watch's exterior is a potential leak, which makes the crown, crystal, pushers, and case back our chief offenders. There is always a way for water to get inside your watch, and the challenge for the this industry (and your humble servants at TimescapeUSA) is to constrain it however we can. It's a false promise, and owing to legal guidelines set by the Federal Trade Commission and the International Organization for Standardization, we are barred from making it. The watch industry has largely abandoned the term “waterproof,” even for its professional diving pieces. When we properly say a watch is water resistant all we mean is that the case has the ability to exclude water to a certain depth – and for our purposes, when we say depth we mean pressure. "Waterproof" watches can get you in the same kind of trouble. How many times have you seen an SUV upside-down in a ditch after the first snow fall? That idiot is hanging by the seatbel ts in Dad's Lamborghini LM002 because he didn't know what the capacities and limitations of 4-wheel-drive vehicle actually are. Water Resistance and Watch Pressure Testing “But my watch is waterproof!” ![]()
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