This complication is unusual in that it displays the hours in the form of numerals viewed through a large fixed aperture. The hour hand is replaced by a rotating disc on which the hours are printed.
The digits jump instantly when the hour changes. The window, located at 12 o'clock, is perfectly aligned with the single central minute hand and the power reserve indicator at 6 o'clock, arranging the information by order of importance. The power reserve indicator becomes particularly useful since the mechanism triggering the jump in the hours requires power. It gives the user an indication of the remaining power, which is vital for the smooth functioning of the movement. This indicator is displayed in an easily legible semi-circular window at 6 o'clock.
The Vintage WW1 Heure Sautante Platinum features a second window for the power reserve indicator. It's opaline grey and silvered dial in 18K gold with its hand-applied guilloche decoration and pear-shaped blue-steel hand lend it a timeless elegance.
|Country of Manufacture||Switzerland|
|Bracelet Strap||Grey Alligator|
|Clasp Type||Pin Buckle|
|Dial Color||Opaline Grey and Silvered Dial in 18K Gold|
|Functions||Jumping Hour, Minutes, Power Reserve|
|Brand||Bell & Ross|
|Water Resistance||100 M|