Minute Repeater by Vacheron Constantin (Swiss, Founded 1755)
Approximate Cost: 192 180.50 GBP.
Using bells of different tones, a minute repeater will ring out hours, quarter hours, and the minutes past since the last quarter hour.
This manually wound Minute Repeater has a sparkling white dial and the 36.5 mm, 18K yellow gold case harbours the mechanical minute repeater.
There is also 34 hours of power reserve to spare.