Nacre & Silver
NOW: Get your personal timepiece from our Mastery Collection today - only while stocks last!
Mathematics is your great strength and logical thinking is your secret weapon. You feel right at home in the sphere of analytics and you play with numbers as if they were building blocks.
Dedicated to all those who crunch numbers like there’s no tomorrow and calculating masterminds, our Arithmetic model is here to remind you of your unique talents every day.
Timepieces with Solar-Tec movements use a source of energy that should be applied to as many of life’s situations as possible: the power of the sun.
Choose a model with Solar-Tec and forget about the problem of a battery change that comes with Quartz watches or the need to wind up automatic models.
With highly efficient solar panels and a battery runtime of 6 months or more, your watch with Solar-Tec will never let you down.
Natural Look and Feel
Natural Look and Feel
Thanks to our special constructions made from natural materials, your Holzkern model means you’re wearing a genuine piece of nature.
Enjoy the distinctive optic and feeling of wood, stone and other natural materials, and be inspired by their wearing comfort!
- Case: 43mm diameter, made of stainless steel in silver finish
- Dial: Genuine dark blue nacre
- Movement: Epson solar movement
- Bracelet: Adjustable length, made of genuine leather in blue with special crocodile pattern (fits any wrist)
- Date and battery display
How does a solar watch work?
If you’ve decided on a watch with solar movement, starting it up works a little differently. In this case, there is an inbuilt battery that is recharged via the energy of the sun or a light source.
In order to charge your solar watch, remove the protective foil from the glass and charge it for a minimum of 5 hours in direct sunlight. Particularly in months with less sunshine, the watch should be charged under a lamp (at a distance of 20cm) for 60 hours (30W lightbulb/6W LED/Lumen 375) because the sunlight is slightly too weak to recharge the battery.
Please note that your solar watch shouldn’t be exposed to excessive heat (e.g. the blazing midday sun) in order to avoid damage. As soon as your model is recharged, the battery will last for at least 4 months without the need to recharge your watch again. When the seconds hand begins to tick in 2-second intervals, it’s a sign that your timepiece needs light again and should be recharged.
In case your model has a variety of functions, like e.g. a date display, a dual time display or a chronograph, get to know these functions in advance in order to maximize the full potential of your watch.
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. :)
Why does my model look different to the product photos online?
The special thing about our products is that we work with natural materials. Just like every tree or stone, all of our models are genuinely unique thanks to the grain, colour and structure of the materials. What you receive is a truly one-of-a-kind piece - indeed, your own personal piece of nature. :)
That’s why we always make an effort to incorporate different lighting situations and a variety of models in our images, so that you can receive the most realistic impression possible of how your model may look.
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