Breguet

Spangles - Dr. Tabby
5595

• Show profile
• Show other posts

Update: Some follow up answers from Breguet

I had a reply on some follow up questions from Breguet.

Here they are, with the answers from Breguet in blue!

1. Does the Breguet Boutique have a 5817 with silicon parts or would it need to be ordered?
a. If the client has a newer watch it is a Breguet balance, it is Silicon. If it’s an older timepiece it is an annular balance, it’s a classic hairspring.

2. Are there any changes in power reserve, recommended service interval, accuracy, or any other changes in the performance of a 5817 with silicon parts?
a. The power reserve stays the same since the barrels and the watch frequency remain the same, but the tolerances are much better with Silicon (from 0 +12 to -1 +5sec/day with Silicon). The recommended service frequency is still the same as the previous version because the rest of the movement hasn’t changed, so all those parts still need a change of oil. In this calibre we don’t have a Silicon escapement so there is oil there too.

3. I assume there is greater anti-magnetic properties and possible greater resistance to shock. a. The big advantage is, as you know, to be totally insensible to magnetism, but the Silicon does not increase its resistance to shock.



Okay, folks, I hope that's informative! I feel like the Breguet Marine 5817 would be very nice. It's $15,900 with a rubber strap and $18k+ with a new bracelet (the old bracelet, which looked like two thinner half bracelets put together) has been discontinued