The Citizen Promaster Professional Diver 300 BN1025-08L is part of the collectible UNITE with BLUE series, released in a limited edition of 4,800 pieces worldwide.
The dial’s appearance uses structural color technology, creating variations in shades of blue depending on how light reflects off the material’s microstructures.
The case is made of stainless steel and protected by anti-reflective sapphire crystal (Anti-reflective sapphire glass) for clear readability in any conditions, while the rubber strap ensures a secure fit.