Mudita Radiant Automatic
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My Radiant is not working out of the box. Is it broken?
No, this is perfectly normal and not a sign of a defect. The watch requires an initial supply of energy to start its mechanism.
How do I set the time for the first time?
Pull the crown out, turn the hands clockwise to the right time, then push the crown all the way back in.
Can I wind my Radiant manually?
Yes, you absolutely can. If your watch has stopped after a period of not being worn, manual winding is a great way to give it a full power boost.
How long does it run when I am not wearing it?
Mudita Radiant Automatic features a power reserve of minimum 38+ hours.
Is an office job enough to keep it running?
In most cases, yes. Modern automatic movements are highly efficient.
What is the accuracy of the Radiant?
Mechanical watches are not as precise as their quartz counterparts, and this is an inherent characteristic of their complex, traditional technology.
Is the Radiant water resistant? Can I swim with it?
Yes, for an occasional swim. Mudita Radiant Automatic is water resistant to 10 ATM and has a crown guard for extra protection.
I can hear the mechanism inside. Is this normal?
Yes, this is completely normal and one of the joys of owning an automatic watch.
My Radiant has started running very fast or very slow
The most common cause of a sudden, significant change in accuracy is the magnetization of the movement.
Condensation under the crystal: what it means
This indicates that moisture has breached the case's seals and entered the watch, which is a serious issue that can lead to rust and corrosion of the delicate movement.
How to care for, clean and store the Radiant
Regularly wipe the case and the bracelet or strap with a soft, dry microfiber cloth to remove fingerprints, dust, and moisture.
Does the Radiant need regular servicing?
Yes, it does. To ensure the long-term durability, accuracy, and health of the intricate mechanical movement, we recommend a full professional service every 3 years at an authorized service center.
Strap width, and can I change the strap myself?
Yes, you can - our straps feature a quick-release system, making them very easy to change on your own.
Is the dial visible in the dark?
Yes. The hands and indices have a Super-LumiNova BGW9 luminescent coating, so you can read the time in low light and in complete darkness.
How does the Radiant automatic movement work?
It is a type of mechanical watch that winds itself automatically, powered by the natural motion of your wrist.
Does the Radiant Automatic need a battery?
No, it does not. Automatic watches are entirely self-sufficient, powered exclusively by the mechanical energy generated from the wearer's movement.
What movement does the Radiant Automatic use?
Mudita Radiant Automatic is using Swiss Made Sellita SW 200 Elaboré automatic movement.
What is the Radiant Automatic made of?
The case is made of surgical-grade brushed 316L stainless steel. The dial is protected by a sapphire crystal with 3 inner anti-reflective coatings.
How much does the Radiant Automatic weigh?
The weight varies with the case size: 50 grams for 32mm, 63 grams for 37mm and 70 grams for 40mm.
What is the Radiant strap made of?
The Radiant strap is rPET, a textile made from recycled plastic. It uses quick-release bars so you can swap it without tools.
What should I avoid while wearing the Radiant?
You should avoid subjecting your watch to strong shocks or impacts, which can occur during activities like contact sports, golf, or using heavy tools.
Why avoid magnetic fields with the Radiant?
Magnetic fields, which are generated by common items like speakers, smartphones, laptops, and magnetic clasps on bags, can magnetize the watch's delicate hairspring.
How should I store the Radiant long term?
Store it in a dry, safe place away from direct sunlight and strong magnetic fields. A watch box is ideal.
My Radiant Automatic has stopped. What should I do?
The most likely reason is that its power reserve has been depleted.
Are all Radiant components made in Switzerland?
We can't provide the origin of every single part, but the Radiant Automatic is a certified Swiss Made watch, hand-assembled and fine-tuned in Switzerland with a Swiss Sellita movement.
Radiant Automatic user guide and warranty
The Radiant Automatic user guide and warranty come as two PDFs: one in English, Polish and Italian, one in German, French and Spanish.
Radiant Automatic certificate of authenticity
Your Radiant comes with a filled-in certificate of authenticity. The file here is the blank template, so you can see what a genuine one looks like.
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