A new version of the Breguet Ref 7637 gong-spring minute
repeater is one of this year Boutique Exclusives from the Classique
Grandes Complications.
The difference, a sapphire-dial which
allows the owner to see the detailed finishing and decoration of the
movements and the striking mechanism from the dial side which
normally hidden, and the removal of the 24-hour sub-dial.
Here are some of the pictures and a sound file of the Pink Gold version, Ref : 7637ER/10/9ZU taken at the new Breguet Boutique Marina Bay Sands. The alternative is the white gold case..
Diameter 42 mm by 12.35mm thick.
Same manual movement, Cal 567/2, highly decorated and beating at 18,000 VPH and a power reserve of 40 hours.
Balance wheel is screw balance with Breguet overcoil hairspring.
The two black polished hammers ...
The gong spring,an invention in 1783, is a strip of metal that
replaced the traditional bell and supposedly to improve sound quality.
For a comparison of the solid guilloche dial piece, please refer to the 2009 Collection by
Would you prefer this Sapphire-dial Boutique Exclusive or the Solid-dial piece?
Kong




