



973981 44 45 20
Helios Power 43.5mm Solar powered Chronograph Date Blue Sunray Dial Gun color Bracelet Sapphire glass Stainless Steel swiss watch
Key features
- 43.5mm case diameter
- Blue Sunray Dial
- gun color tone Stainless Steel case
- Sapphire Crystal
- gun color-tone Stainless Steel Bracelet
- Ronda-2030.D-A1C4 Caliber
Care for your watch
Free International Shipping
We ship worldwide with UPS©
- United States & Canada: 3-5 business days
- Australia: 3-5 business days
- Europe(Croatia, France, Belgium, Netherlands, Germany, Italy, Spain, Portugal, Ireland, Sweden...): 2-4 business days
- United Kingdom: 3-5 business days
- Middle-East (UAE, Saudi Arabia): 3-5 business days
- Rest of World: 4–10 days
- Switzerland (With DHL©): 1-2 business days
Orders typically process and ship within 2 business days. All orders are processed and shipped between Monday-Friday. Once your order processes and ships, you will be notified by email with the tracking number.
Manufactured in Switzerland
Swiss-made quality watches have been ROAMER’s distinctive trademark ever since the company’s founding in 1888.
7 years warranty
From 2 to 7 years. Extend your warranty by registering your watch online.
30 Day return
Risk free - return or exchange
Fast Free Shipping
Get free shipping on orders of $150 or more
The Helios Power 43.5 mm marks a new chapter in Swiss watchmaking, where innovation meets independence.
Powered by light, its solar movement transforms energy into precision, removing the need for battery changes while ensuring reliable performance every day.
Time advances continuously, driven by a source as constant as daylight itself.
The gunmetal tone bracelet and dial reinforce a technical, contemporary character, balancing strength with restraint. Clean lines and purposeful design reflect a watch built for modern life.
Developed by Roamer, this timepiece embodies progress without compromise. Efficient, durable, and forward-thinking, it redefines what a Swiss chronograph can be.
Built to resist 10 ATM (100m) water resistant
Every watch is tested to Swiss NIHS 92-20 standards — the gold benchmark for water resistance. Rain, splash, or spontaneous swim? You’re covered.
From scratch resistance to salt spray, every detail meets NIHS 96-22 standards — because beauty shouldn’t fade.
Antimagnetic Protection
Protected against magnetic fields up to 4,800 A/m (NIHS 90-10), so your watch stays accurate — even near electronics, bags, or airport trays.
Shock Resistance
Drop-tested and impact-simulated (NIHS 91-10 & 91-20), your timepiece is built to handle real life — not just glass cases.
Luminosity
Certified photoluminescent coatings (NIHS 97-21) make sure your watch shines bright when the lights go down.
Movement Accuracy
With COSC-level accuracy (–4/+6 sec/day, NIHS 95-11), every second counts — and lands where it should.
Skin Compatibility
All parts are certified skin-safe and climate-resistant (NIHS 96-50), so your watch feels as good as it looks.

