Demystifying Time: How Long it Really Takes to Mod a Watch

The world of horology, specifically the niche of modding watches, has grown exponentially in recent years. It has surged into prominence, and many budding watch enthusiasts and seasoned collectors alike continue to be drawn in

Written by: Thomas Redford

Published on: April 6, 2026

The world of horology, specifically the niche of modding watches, has grown exponentially in recent years. It has surged into prominence, and many budding watch enthusiasts and seasoned collectors alike continue to be drawn in by the prospects of personalizing existing watch models to suit their unique design preferences. However, one question often bubbles up from the curious mind: How long does it really take to mod a watch?

Not a straightforward question, the answer depends on an array of factors. These include the modder’s skill level, the complexity of the mod, the availability of tools and parts, and even the specific watch model being modified.

1. Skill Level of Modder

In the world of watch modding, skill level is everything. Beginners may initially find the process quite daunting; it takes time to learn and understand the fine details of watch modding. However, with patience and practice, the process becomes faster and smoother. Novices typically take several hours over a few days to mod a watch, while experience can bring the time down to just an hour or less.

2. Complexity of Mod

The complexity of the mod directly influences the time. Replacing a simple bezel or dial can be reasonably straightforward and could take anywhere from 1 to 3 hours. However, intricate modifications like tweaking the watch’s movement, or custom engraving on the case or movement, can extend the process to dozens of hours.

3. Availability of Tools

Having the right wholesale watch parts and tools from suppliers such as Esslinger, Sofly, and Otto Frei can significantly cut down the modding time. For instance, if a watch hand remover, case opener, or spring bar tool is readily available, the modder can save a substantial amount of time that would have been spent improvising or finding substitutes.

4. Watch Model

Certain watch models are easier to mod than others. Seiko, for example, is a beloved brand among the modification community due to its high mod potential and availability of parts. Conversely, brands like Rolex or AP, while they can be modded, often take a longer time due to their complex and unique assemblies.

A General Breakdown of The Modding Process

Disassembly

The first step involves carefully disassembling the watch, ensuring all parts, especially the delicate ones, are kept safe. This could take anywhere between 15 to 45 minutes based on the model and complexity of the watch.

Modification

The next step involves modifying and replacing the watch components. This can take anywhere from an hour to several hours or even days, depending on the complexity of the mods.

For instance, a simple process like switching out the watch dial might only take about 10 to 30 minutes if the modder is skilled. However, more intricate modifications such as adding a sapphire crystal or changing the bezel insert can take up to 1 or 2 hours.

Upgrading the movement – the heart of the watch – is a more complicated process. It requires meticulous care, effort, and time, ranging from 3 to 5 hours or more, depending on the movement type.

Reassembly

After the modification, the watch needs to be reassembled, cleaned, and recalibrated. This entire process can take around 1 to 2 hours. It’s essential to proceed with caution to ensure no components have been damaged during the modification process.

Testing

Finally, before the modded watch can be worn or delivered to a client, it has to undergo testing. This includes checking the watch’s timekeeping accuracy, testing its water resistance, and observing if the date changes correctly (if it has a date feature). The testing phase could last anywhere between 24 hours to a few days, depending on the watch and modifications done.

Time, in the world of watch modification, is an investment – an investment in learning, creativity, and mastery. As a beginner, don’t rush the process; instead, learn from it. Over time, your proficiency will increase, and so will your speed. Remember, perfection comes with time, and when it comes to modding watches – it’s all about the journey.

For those with an insatiable thirst for involving themselves in the world of horology by modding watch, there’s something distinctly gratifying about the process. And when you finally strap on your unique and personalized timepiece, you realize that every second spent was worth it.

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