Feel free to discuss or ignore and move on with your day

Found this video interesting for a few reasons:

Never thought about hydro modding till now

Why are some watches rated to a certain Water resistance and exceed it by double or triple?

Also, feel free to post your hydro modded watch

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The extreme angle legibility always looks so cool.

Only downside is batt changes, and if the movement isn't really designed to push through the oil it might (or might not) mess with it over time. Also oil filling can lead to bubbles with extreme temperature fluctuations, because science.

To me a monobloc, solar movement, with tritium, and a separate compartment for the battery would be 👌🏻👌🏻.

Ressence and U boat have this, but too pricey. Sinn has cooler models, but have to send back to HQ for battery, which takes a bit.

A basic, shock resistant, solar movement, with gaskets to allow a battery hatch in the back would be sick. (Anti-mag too)

Make it cooler by getting rid of the stupid air bubble (looking at you U Boat) and hide the air chamber out of sight or use a simple bellows system for temperature gradients/changes.

WR rating and shock resistance would be a moot point.

Granted it'd be a niche community who would buy it...

Never understood why the horological community wants to relegate oil filled watches to high end movements. A basic movement, with the provided end user batt hatch, would in theory be the ultimate tool watch. Especially if solar WITH an accessible battery/capacitor that didnt require refilling the case.

YMMV.

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This kind of mod always look so cool to me, but I'm to scared to ever do it since it's too risky of a process

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I've done three so far. It's messy but not that difficult. It's great on the Royale and AW-80 since they're digital with a 10 year battery.

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The bubble showed up a few days after I did a battery change. I fixed it since then.

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Here's an oil filled F91W at almost 5000m.

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