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What Do You Need to Mod a Seiko?

What Do You Need to Mod a Seiko?

If you’re interested in modding your Seiko watch, then you need to know what you need to get started. Luckily, there are several resources available that will help you get started. These resources include a Basic watch repair kit, a High-performance back case remover, Sloped bezel inserts, and Swapped hands and dials. However, you should always be cautious about purchasing fake parts. While some are popular, others may not be worth the trouble.

Basic watch repair set

Basic watch repair set

If you’re interested in modding your Seiko watch, you’ll first need to purchase the proper parts. Often, the parts you need for a Seiko watch are not readily available at a local watch repair shop, but there are some resources on the internet that can help you make your watch look new again. Fortunately, the Seiko modding community is active and generally very helpful, so you’ll likely find someone willing to help you. You can also find videos online that will show you the basic steps.

High-performance back case remover

When you want to customize the look of your Seiko watch, you will need a high-performance back case remover. These tools help you remove the case back and movement without scratching the case. They are available online, and they are essential for watch customization.

Swapped hands

Swapped hands on a Seiko are a great way to give your watch a different look. Although they’re one of the most visible parts of a watch, they don’t need to be the only thing you change. Changing the hands on your Seiko can be part of a more extensive seiko mods For example, if you’re into diving, changing your hands could make your Seiko look like the Tudor Black Bay, but at a fraction of the price.

Sloped bezel inserts

Sloped bezel inserts for Seikos are great for changing the look of the bezel. These can replace a stock bezel or work with coin edge bezels. They’re made from ceramic material that’s scratch-resistant. They also slope upward in the middle to avoid leaving a space between the glass and the bezel. They come with double-sided adhesive tape.

Doubled domed sapphire crystals

If you’re tired of the optical dial distortion that comes from using dead flat mineral crystals on your Seiko, you can easily replace the crystals with doubled domed sapphires. Seiko 5 watches accept 30mm crystals, and can take both double-domed sapphire crystals and flat ones. The flat crystals, of course, don’t offer the magnification effect that the double-domed crystals do.

Scratch-resistant sapphire crystals

A sapphire crystal is a crucial component of any watch, especially if you intend to use it for sport. The sapphire material is the second hardest substance after diamonds and is the ideal choice for watch crystals because of its sturdiness and resistance to scratches. It also provides the greatest shine. However, sapphire crystals are expensive to produce and are generally used only for luxury purposes. They are not meant to withstand extreme pressure or to be submerged in water.


If you’ve had trouble getting the bezel to stay on your Seiko watch, there is a simple way to fix this problem. The bezels on A-model watches have gaskets that are too tight, while those on B-model watches have gaskets that are too loose. Installing a bezel gasket on your watch is easier than you think, but it will require a bit of patience. It’s important to be level on all sides of the case before you start.

Author Profile

Cory Robertson
Cory Robertson
Tom Drury was born in Iowa in 1956. The recipient of a Guggenheim Fellowship, Drury has published short fiction and essays in The New Yorker, A Public Space, Ploughshares, Granta, The Mississippi Review, The New York Times Magazine, and Tricycle: The Buddhist Review. His novels have been translated into German, Spanish, and French. “Path Lights,” a story Drury published in The New Yorker, was made into a short film starring John Hawkes and Robin Weigert and directed by Zachary Sluser. The film debuted on David Lynch Foundation Television and played in film festivals around the world. In addition to Iowa, Drury has lived in Massachusetts, Connecticut, Florida, and California. He currently lives in Brooklyn and is published by Grove Press.