Real light. Real depth.
We choose dials that, under sunlight, keep a clean shine and uniform texture.
Controlled reflection · no “plastic” feel
Nauteiko Openheart Diamond Edition
With Logo / No
€219,99
Sale price
€219,99
Regular price
€310,00
Skip to product information
![Rotor preview]()
Nauteiko Openheart Diamond Edition
€219,99
Sale price
€219,99
Regular price
€310,00
SERVICE · GUARANTEES
Shipping
Fast
14 days
Returns
Payment
Secure
Support
Fast
Preview available
Version with logo
RCB Standard
Piece inspected before shipping
✓
Estimated shipping
7-15 business days
Warranty
1 year
Payment
Secure
316L steel
Sapphire crystal
Japanese movement
Adjustable bracelet
Purchase details
The order is prepared and inspected before shipping. You will receive tracking once it has shipped. Avoid showers, steam, immersion, and pressurized water.
An exclusive piece that combines the elegance of the iconic Nauteiko design with a touch of timeless luxury. The open-heart detail allows you to appreciate the beat of the automatic movement, while the zircon-set markers provide a sophisticated sparkle. A watch that balances craftsmanship, precision, and the most refined style.
Technical specifications
· Diameter: 41 mm (excluding crown), contemporary and balanced
· Movement: Automatic NH38, visible through the open-heart window
· Thickness: 12 mm, comfortable for daily wear
· Crystal: Anti-scratch sapphire with anti-reflective coating
· Luminousness: Luminova on hands and indices, perfect in low light
· Case: 316L stainless steel, resistant and elegant
· Crown: Screwed, secure and functional
· Wrist size: Adjustable between 14.5 cm and 22 cm
· Lugs: 13 mm
· Strap: 316L stainless steel with security butterfly clasp
· Case back: Transparent, showing the automatic movement
· Water resistance: 3 ATM, ideal for daily use and splash-proof
You might also like...
rcb mods
Details you can see and feel.
Short videos, no filters: real light, real steel, and real presence.
Worked steel, not just appearance.
Clean polishing, straight brushing, and defined edges: you feel it when you touch it.
Premium polished/brushed contrast
Daily use, no paranoia.
Made to go with you: rain and splashes. A watch is meant to be worn.
Water resistant · made for real routines
The final test: the wrist.
Proportion, shine under natural light, and presence in motion.
Premium presence without “bling”