What Is Seiko Sapphire Crystal

Seiko crystal 6139 330w18gn.

What is seiko sapphire crystal.

Safflex is a mineral glass crystal with a sapphire coating. High quality mineral crystal to fit seiko vintage 6139 chronograph watch. I have had 5 6 watches with sapphlex never yet had a scratch. The properties of water absorb light of high wavelengths such as red while shorter wavelengths such as blue and purple are harder.

Aside from a few notable exceptions high end watches built in the last couple of decades are almost exclusively equipped with sapphire crystal. Grand seiko s catalog is divided into elegance heritage and sport. The most expensive of the watch crystals sapphire has gained popularity in recent years and its use within the industry has exploded. Apart from that required feature for this list it is a beautiful titanium band with gold tone highlights.

The sapphire crystal is mostly noticeable due to the bluish hue brought by the sun which is actually the effect of the sapphire crystal s anti reflective ar coating. This guide will explain the various crystal types and their strength weaknesses sapphire crystals mineral crystals acrylic crystals and more. But because the turtle is a tough affordable no nonsense tool watch like others at its price tier in the prospex collection it starts just under 500 the hardlex crystal and aluminum bezel are plenty appropriate. This crystal is manufactured to the exact specifications of the original seiko crystal 330w18gn.

Grand seiko s movements range from the sophisticated 9f quartz unit 10 seconds year to robust automatic mechanical engines fast paced hi beat versions and the acclaimed spring drive movement which uses quartz precision to regulate a fully mechanical drive train. Unlike its natural counterpart this type of sapphire is synthetically produced in a lab. Unlike the seiko hardlex or the acrylic crystals sapphire is an extremely reflective material making it hard to see through in certain lighting. The watch crystal is a clear cover that protects the dial and the internals.

Ladies seiko sapphire titanium watch seiko ladies sapphire titanium. Of course the hardlex crystals on my other watches haven t scratched very often either. As culmination of seiko s developments in watchmaking technology today a saturation diver s watch in an all black case with a red accented dial offering water resistance of up to 300m is introduced.