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A couple more numbers for the list. What is interesting is the manufacture date which is stamped on the outer brown cardboard box and also how close the first one is to the number above.
7780959x Mfg date 09-14
7780987x Mfg date 05-16
Cheers
Not my sale... but just found one in SoCal over at Watchuseek --
http://forums.watchuseek.com/f29/omega-speedmaster-pro-tintin-311-30-42-30-01-004-a-3999690.html
Everything was included and in excellent condition. I am new to Hesalite/Acrylic crystals. Everything I own is sapphire. My biggest concern is regarding the Hesalite. I think of the scratches and also how resistant is Hesalite to chemicals. I am probably being paranoid but I always wondered what would happen if someone was spraying pesticide or filing up gas and something spilled on the Hesalite. Being plastic would the Hesalite absorb some of the chemicals? With sapphire that would never be a concern. highly unlikely but something I wonder about
I do not know about the chemicals, but here are some points to consider:
Hesalite
- Will get scratched up easier.
- Is easy/cheap to polish.
- Is cheap to get replaced.
- Does not (to my knowledge) damage the movement, when shattered.
Sapphire
- Will not get scratched (all though they chip off in cases).
- You cannot polish or remove scratches from sapphire.
- Sapphire is relatively expensive to replace.
- When shattered, glass will (very likely) fall into the movement and damage it. The movement will in almost every case need a full service to prevent further damage.
More likely sapphire in case it shatters will damage the dial and hands, leave them exposed ...
Plexi mostly just leaves a crack.
Did you see this listing? A tremendous seller (@Kringkily) here on the forum:
https://omegaforums.net/threads/ome...nal-311-30-42-30-01-004-tin-tin-racing.52843/