Is hesalite crystal good?
HESALITE CRYSTAL Since it’s a man-made substance, it can be easily worked into shapes as needed; and tends to crack instead of shatter into pieces when hit by impact. This made it an ideal material for watches, as it keeps its shape when dropped.
What is the difference between hesalite and sapphire crystal?
As a general rule, you can expect a hesalite Moonwatch to keep things authentic and feature a solid caseback. By contrast, sapphire crystal Speedmasters usually have a matching open caseback, therefore featuring a more decorated movement. Such models are dubbed a “sapphire sandwich” for obvious reasons.
Does hesalite crystal scratch?
But it’ll scratch. Yes, your Hesalite crystal will scratch easier than a sapphire one. But I’m sure that the joy that a Hesalite Speedmaster will give you will outclass the disaster of scratching your crystal. I mean, it’s just a plastic crystal. It’s meant to be scratched; it protects your dial and hands.
How strong is hesalite Crystal?
A sapphire’s hardness is only next to a diamond’s and toughness around ten times that of glass. The Hesalite; however, has only a-fourth of the strength of Sapphire. Scratch the acrylic with a hard, sharp object and scratches show up immediately.
What does dot over 90 mean?
The Speedmaster Professional 145.012 also includes the “Dot over 90” bezel (where the dot is placed on top of 90 on the tachymeter scale), which is correct for its era. Later Speedmaster bezels (post-1969) had the dot next to the 90. While the 145.012 is similar in shape to the preceding ref.
Does PolyWatch work on hesalite?
The most popular polishing paste for hesalite and acrylic crystals is Polywatch. Simply apply PolyWatch to the watch crystal, polish the scratched areas for 2-3 minutes with great pressure against the scratches.
Is the Speedmaster discontinued?
Swiss watch manufacturer Omega has announced the discontinuation of the Speedmaster Moonwatch on January 5, 2021. Why the current Moonwatch models have been taken out of production and whether there will be successors to the references 311.30.
Can you replace Hesalite with sapphire?
No. Diameter of the acrylic crystal is 34.13 mm, and the sapphire is bigger at 34.2 mm, so it would not fit in the case.
Can you use Polywatch on Hesalite?
Polywatch hesalite and acrylic polish The most popular polishing paste for hesalite and acrylic crystals is Polywatch. Simply apply PolyWatch to the watch crystal, polish the scratched areas for 2-3 minutes with great pressure against the scratches.
Is Hesalite scratch resistant?
Hesalite will scratch, but unless it is a really deep scratch it is not usually an issue.
What is a Don bezel?
DON bezel refers to the placement of the Dot around the 90 on a Speedmaster bezel. In 1969 they changed the bezel design slightly. In this case the Dot is Over the Ninety. As watches serviced got later bezels with the Dot next to Ninety. These early bezels are prized and worth a premium denoting an original part.
What is the Speedmaster bezel made of?
The other easy to understand trait of the 2915 reference Speedmaster is the stainless steel bezel with tachymeter scale – or what Omega first called the Tacho-Productometer scale.
Are there any Omega Speedmasters with hesalite crystals?
All of the Speedmasters that went to the Moon, and even the Speedmaster that famously timed the 14-second burn that saved the crew of Apollo 13 (earning Omega the “Silver Snoopy Award”) were models with Hesalite crystals. The sapphire display back showcasing the new caliber .321 on the Omega Speedmaster Caliber 321 “Ed White” In Stainless Steel.
What kind of material is a Speedmaster Crystal made of?
Crystal is a totally different material from plastic. But, one way or another, the word crystal — or glass — is used to determine the part that transparently protects the dial and hands. Whatever material it’s made of. What exactly is Hesalite? As we can see, Omega uses the term Hesalite to describe Speedmaster “crystals”.
Is the Speedmaster Professional a sapphire crystal case?
This particular watch is a Speedmaster Professional Case # 145.022 with 861 movement. I believe that you can apply the same process to sapphire crystal cases (someone please confirm/deny!).
Why does Omega use it for its Speedmaster?
Now, there are many reasons why the Omega managed the tests, but an important, yet small detail is the hesalite crystal. Today, the hesalite crystal has become iconic with the Speedmaster, although there are many Speedmaster versions without it. So this brings us to the question, what is hesalite? And why does Omega use it for its Speedmaster?
