Sapphire Crystal

August 18, 2026

RARE, Microbrand Sea Diver Watch By Under Water, Sapphire Crystal

200 mm water resistance/656 feet. Screw case back. Stainless steel bracelet. The SealDiver is equipped with a sapphire crystal. Sapphire crystal is not actually a glass, rather, it is pure aluminum oxide that has undergone a crystallization process.
August 18, 2026

Rado The Original DiaStar R12391103 Watch

This new, never worn very appealing Rado watch has a 35mm stainless steel case with a solid bezel and is topped by a sapphire crystal with anti-reflective coating. The silver dial includes a day/date window and dot markers. The men's watch features a Swiss quartz movement, and is water-resistant to 30 meters. The stainless steel bracelet secures with a fold-over clasp. It comes with original box/case, book pamphlet and guarantee card.