Materials Used in Watch Cases
The choice of materials for watch cases greatly impacts their durability, aesthetics, and price. Here are some common materials used in watch case construction:
Watch Case Sizes and Dimensions
Watch case sizes and dimensions play a crucial role in determining how a watch will look and feel on your wrist. Remember, watch case sizes and dimensions are subjective, and what may be considered large or small varies depending on personal preferences and trends. It’s essential to try on different watches to get an idea of how they will look and feel on your wrist.
Here are some key factors to consider:
Understanding Water Resistance in Watch Cases
Water resistance is an important consideration, especially if you plan to wear your watch in water-related activities. Here’s what you need to know about water resistance in watch cases:
1. Water Resistance Ratings:
Watch water resistance is measured in meters, indicating the depth to which the watch can be safely submerged without water entering the case. Common water resistance ratings include 30m, 50m, 100m, 200m, and 300m. It’s important to note that water resistance ratings are not indicative of the depth you can dive with the watch, but rather the watch’s ability to withstand water pressure during everyday activities.
Read our article on water resistance ratings: “What do Water resistance Ratings really Mean”
2. Gaskets and Seals:
Water resistance is achieved through the use of gaskets and seals that prevent water from entering the watch case. These rubber or silicone components create a barrier between the case and the external environment. Over time, these gaskets and seals may deteriorate, compromising the watch’s water resistance. Regular maintenance and periodic replacement of gaskets are essential to ensure the watch’s water resistance remains intact.
3. Screw-Down Crowns:
Some watches feature screw-down crowns, which provide an additional layer of protection against water infiltration. When the crown is in the normal position, it is screwed down tightly, creating a watertight seal. To adjust the time or date, the crown must be unscrewed. After the adjustment is made, it should be screwed back down to maintain water resistance.
4. Helium Escape Valves:
The helium valve, a safety valve created especially for diving watches, enables helium to escape from the watch case during decompression. When working at very deep depths, diving bells or other pressure vessels are used. Helium is added in large quantities to these vessels, which would, without a release valve, expand within the case during decompression and crack the watch crystal.
Watch Case Finishes and Designs
1. Polished Finish:
A polished finish gives the watch case a shiny and reflective appearance. It offers a classic and elegant look, making it suitable for formal occasions. However, polished finishes are prone to showing scratches and fingerprints, requiring regular maintenance to keep the watch looking its best.
2. Brushed Finish:
A brushed finish creates a matte or satin appearance on the watch case. It offers a more understated and contemporary look, often associated with sporty or casual watches. Brushed finishes are less prone to showing scratches and can provide a more durable and low-maintenance option.
3. Sandblasted or Glass-Bead-Blasted Finish:
It gives the case a matted, more delicate than the brushed finish, similar in appearance to a titanium case.
Some watches feature a combination of polished and brushed finishes on different parts of the case. This creates contrast and visual interest, adding a unique touch to the watch’s design. Combination finishes allow for versatility, as they can be dressed up or down depending on the occasion.
5. PVD Coated Finish:
A PVD coating process is the application of an extremely thin layer of material to the surface of the case. It can be a black, gold or bronze finish for esthetic purposes, or a titanium coating to harden the surface of the watch.