FALL SALE • UP TO 30% OFF
FALL SALE • UP TO 30% OFF


The Sonnenberg Acacia combines the warm character of natural acacia wood with a deep green sunray dial inspired by the beauty of the forest. The 40 mm wooden case and adjustable bracelet showcase the unique grain of each individual piece of wood, giving the watch a timeless character with an elegant yet adventurous touch. The refined green dial adds a distinctive accent, making it the perfect companion for those who appreciate natural materials and sophisticated design.
The required charging time depends on the strength of the light source. The following values are approximate:
| Condition | Sunny weather | Cloudy | 30 W light source | Indoors |
|---|---|---|---|---|
| Energy for 1 day | approx. 2 min. | approx. 8 min. | approx. 25 min. | approx. 100 min. |
| Continuous operation | approx. 15 min. | approx. 90 min. | approx. 4 hrs. | approx. 35 hrs. |
| Full charge | approx. 5 hrs. | approx. 20 hrs. | approx. 60 hrs. | – |
When fully charged, the power reserve is approximately four months.
Our goal is for your Zeitholz watch to arrive in perfect condition and remain with you for as long as possible. All our watches come with a 2-year warranty from the date of purchase. If the watch proves defective under normal use, it will be repaired or replaced free of charge after inspection by Zeitholz. The Zeitholz warranty covers malfunctions or breakages of the following components:
Damage caused by improper use, water ingress, scratches or similar external impacts is not covered by the manufacturer's warranty. If you have any questions or problems, our customer service team will be happy to help.
At Zeitholz, we pay attention to every detail – from the design of the watch to the use of natural materials and packaging in which we use paper and cardboard whenever possible.
Wood is a natural material with its own individual grain, colour and structure. As a result, every Sonnenberg Acacia watch has its own unique character.
For every product sold, we plant a tree through our partnership with Trees for the Future.
Every order includes your personal Tree Passport – a personalised certificate with information about where your tree was planted, which species it is and which project it belongs to.
The Sonnenberg Acacia combines the warm character of natural acacia wood with a deep green sunray dial inspired by the beauty of the forest. The 40 mm wooden case and adjustable bracelet showcase the unique grain of each individual piece of wood, giving the watch a timeless character with an elegant yet adventurous touch. The refined green dial adds a distinctive accent, making it the perfect companion for those who appreciate natural materials and sophisticated design.
The required charging time depends on the strength of the light source. The following values are approximate:
| Condition | Sunny weather | Cloudy | 30 W light source | Indoors |
|---|---|---|---|---|
| Energy for 1 day | approx. 2 min. | approx. 8 min. | approx. 25 min. | approx. 100 min. |
| Continuous operation | approx. 15 min. | approx. 90 min. | approx. 4 hrs. | approx. 35 hrs. |
| Full charge | approx. 5 hrs. | approx. 20 hrs. | approx. 60 hrs. | – |
When fully charged, the power reserve is approximately four months.
Our goal is for your Zeitholz watch to arrive in perfect condition and remain with you for as long as possible. All our watches come with a 2-year warranty from the date of purchase. If the watch proves defective under normal use, it will be repaired or replaced free of charge after inspection by Zeitholz. The Zeitholz warranty covers malfunctions or breakages of the following components:
Damage caused by improper use, water ingress, scratches or similar external impacts is not covered by the manufacturer's warranty. If you have any questions or problems, our customer service team will be happy to help.
At Zeitholz, we pay attention to every detail – from the design of the watch to the use of natural materials and packaging in which we use paper and cardboard whenever possible.
Wood is a natural material with its own individual grain, colour and structure. As a result, every Sonnenberg Acacia watch has its own unique character.
For every product sold, we plant a tree through our partnership with Trees for the Future.
Every order includes your personal Tree Passport – a personalised certificate with information about where your tree was planted, which species it is and which project it belongs to.


Engraving wooden watches adds timeless elegance, sustainability, and personalization to each piece. The engraved message serves as a constant reminder of meaningful moments or sentiments, making it a cherished keepsake. As a unique gift, it stands out for its individuality, reflecting the wearer's personality and style. Combining craftsmanship with sentiment, a personalized engraved wooden watch is a special and eco-friendly choice for celebrating milestones or expressing love and appreciation.

Every Zeitholz order helps plant real trees in Africa — supporting local communities and contributing to a healthier planet. For each watch or accessory in your purchase, one tree will be planted.
With your order, you'll also receive a beautifully designed Tree Passport, detailing the species you helped plant, its planting location, and the reforestation project your purchase supports.
Join us on our journey to plant 10,000 trees — and see how your watch creates real, lasting change: one tree, one family, one future at a time.