Cloudbolt
Maple & Marble
- Delivery: 2 - 5 workdays
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Free express shipping worldwide
Our customers enjoy free express delivery without any import duties or taxes! Learn more>
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24 months warranty
If you find a defect in your model, please contact our customer support and we’ll find the best solution for you. Learn more>
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24-day refund policy
You are free to return your model within the 24-day period. We advise that you first contact our customer support before creating the return label. Learn more>
- No after-sale duties or taxes for US customers
When clouds become charged with excess friction, electrical tension unleashes a spectacle of heavenly proportions. Our model Cloudbolt, with its hybrid automatic movement and white marble dial, is dedicated to this awe-inspiring natural phenomenon.
"Hybrid automatic" combines the benefits of a mechanical movement with a rechargeable battery, with a power reserve that lasts up to half a year.
- Case: 42mm diameter, made from black-colored maple wood and stainless steel in antique silver
- Dial: Made from white marble and stainless steel in dark gray
- Movement: Hybrid automatic movement by Epson
- Bracelet: Adjustable length, made from black-colored maple wood and stainless steel in antique silver (fits on any male wrist)
- Date display and luminescent hand tips (easily read the time, even in the dark)
PACKAGE CONTENTS
What is delivered in the package contents?
Every single Holzkern product is delivered in a high-quality solid wooden box in which your piece of nature can be safely stored. The wooden box is lined with cork, which optimally protects your model during transport or storage.
The cork that comes with our watches and Bandlets is reversible and inscribed on both sides respectively with the sentence in German - “So einzigartig wie du”, as well as English - “As unique as you”.
For all models with linked bracelets, we additionally send the matching extension links including tools free of charge. In this way, you can individually adjust your personal piece of nature and immediately start wearing it. :)
How does an automatic watch work?
Your automatic watch works somewhat differently to a watch with Quartz movement. Because you’ve chosen a watch with mechanical movement, there is in this case no inbuilt battery and you’ll have to first give your model a little help to get it up and running.
Before you wind it up, make sure that the crown is in the normal position, which means fully pressed against the case. In order to get your watch operating, turn the crown 40 times in a clockwise direction and your watch will run for approximately 42 hours. If you wear your watch within this time, the running time is extended because the clockwork will be automatically wound up via the motion of your body.
In case your model has a variety of functions, like e.g. a date display or a dual time display, get to know these functions in advance in order to maximise the full potential of your watch.
How do I adjust my watch to the perfect size?
With so many different designs, there’s definitely the perfect model for every wrist size. Our watches with linked bracelets can be easily adjusted to any preferred length.
Additional bracelet links and the necessary tools are enclosed free of charge so that you can immediately adjust your model to your individual wrist size and wear it.
The leather watch straps and vegan alternative straps in our product range come in industry-standard sizes. For particularly short or long watch straps, you’re sure to find what you need at your trusted specialised watch or jewellery dealer.
Core Features

Hybrid Automatic Movement
Do you like automatic watches? Then you'll love our models with hybrid automatic movement! Hybrid automatic watches convert your movements into energy to power your watch. On top of that, these models have a rechargeable battery that stores this energy. So, compared to a normal automatic watch, which runs for 35-60 hours, your watch will continue to run for up to 6 months, even without movement. These unique models combine the advantages of both automatic and quartz watches in one stunning timepiece.

maple wood
Timeless & elegant. Compared to other types of wood, maple wood impresses with its subtle appearance. The fine and even grain, as well as its light coloring give this wood its timeless charm. For certain designs, we dye our maple wood in different colors, usually black.

marble
A touch of luxury. The name "marble" comes from the Greek word "mármaros", which means "shining stone". The history of marble dates back to ancient Greek and Roman art, where marble was used for sculptures and architecture. With its distinctive texture and coloring, marble provides a particularly aesthetic appearance that makes our watches and jewelry made from this stone very special statement pieces.

See-Through-Caseback
We know that it’s what is on the inside that counts - and that those values can also be really impressive! Models with a see-through caseback enable a unique view into the internal clockwork heart of your piece of nature. Particularly with our automatic models, your watch is equally impressive from the front side as well as from the back.
Hello Nature-Lover!
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