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Rockshell Mark III Scuba 45mm Quartz Three-Hand Date Green Dial Turning Bezel Black Rubber Strap Sapphire glass Stainless Steel swiss watch
Key Features
- 45 mm case diameter
- green Dial
- silver tone Stainless Steel case
- Sapphire Crystal
- black-tone Rubber Strap
- Ronda-515-A1C3 Caliber
Watch Care & 7-year Worldwide Warranty
Find all details about how to set up and take care of your ROAMER watch within the manuals, downloadable here.
Every ROAMER watch reflects unseen hours of design, assembly, and testing - bringing effortless Swiss precision to your wrist. That dedication is why every timepiece comes with a 7-year worldwide warranty, giving you timeless style, risk-free. Simply register your watch here within 90 days of purchase.
Free International Shipping
We are pleased to offer free international shipping on all orders over $149. All parcels are shipped DDP and no taxes or duties will be charged upon delivery.
ROAMER does its utmost best to deliver as fast as possible with the best and safest carrier for your region. Once your order has been shipped, you will receive an email with the tracking number that will allow you to track the delivery on the carrier's website. You can check the expected delivery timings per country by consulting our FAQs.
Payment Methods
We accept all major payment methods: Visa, Mastercard, AMEX credit cards, PayPal, Apple Pay, Google Pay, Klarna, Twint. Simply proceed to checkout to select your favorite option.
Buy online at ROAMER is completely safe: every transaction is encrypted and no sensitive information is stored on any of our services or servers.
Manufactured in Switzerland
Swiss-made quality watches have been ROAMER’s distinctive trademark ever since the company’s founding in 1888. Want to get to know us better? Discover the people, passion, and craftsmanship behind our brand on the Our Story page.
7-Year Worldwide Warranty
Extend your Worldwide Warranty from 2 to 7 years, by registering your watch here. A reflection of the enduring quality, precision, and craftsmanship behind every ROAMER timepiece.
Easy 30-day Returns & Exchanges
For every ROAMER watch, enjoy free returns within Switzerland and easy returns and exchanges worldwide within 30 days of purchase. See our FAQs for more details.
Free International Shipping
Shipping is always free on all orders over $149. All parcels are shipped DDP and no taxes or duties will be charged upon delivery. ROAMER does its utmost best to deliver as fast as possible with the best and safest carrier for your region. More info here.
The Rockshell Mark III Scuba 45 mm pairs technical performance with bold visual contrast.
Its green dial brings depth and intensity, standing out sharply against the black rubber strap. A striking combination that feels modern, sporty, and unmistakably confident.
Designed for active use, the watch features a turning bezel for precise control and clear legibility at a glance. Every detail serves function, presence, and impact.
Built for water resistance and movement, it wears comfortably while maintaining a strong, assertive profile.
A dive watch with attitude. Technical, expressive, and designed to stand apart.
Built to resist 20 ATM (200m) 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
This watch is powered by a Ronda-515-A1C3 caliber, engineered to meet the NIHS 95-11 standard.
Skin Compatibility
All parts are certified skin-safe and climate-resistant (NIHS 96-50), so your watch feels as good as it looks.
