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Rockshell Mark III Scuba 45mm Quartz Three-Hand Date Turning Bezel Black Rubber Strap Sapphire glass Stainless Steel swiss watch
Key features
- 45 mm case diameter
- black Dial
- silver tone Stainless Steel case
- Sapphire Crystal
- black-tone Rubber Strap
- Ronda-515-A1C3 Caliber
Care for your watch
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 Rockshell Mark III Scuba 45 mm is a Swiss Made dive watch defined by discretion, capability, and control.
Finished in deep black, the watch adopts a stealth profile built for function rather than attention. The turning bezel supports precise timing, reinforcing its professional scuba purpose.
Designed for active environments, the watch prioritises legibility and reliability under pressure. Every detail is intentional, every element focused on performance.
The black rubber strap enhances comfort and flexibility while maintaining a low-profile, technical look suited to movement and water.
A dive watch with a tactical presence. Quiet, capable, and confidently understated.
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
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.
