DeWitt has enhanced its legendary constant force tourbillon with a system that relays energy to its associated power reserve indicator. Rotating the crown when winding the barrel-spring drives a miniature chain, which uses an intermediate wheel to activate the power reserve indicator sliding on a worm screw. Three years after developing an ingenious patented regulating system – three extra wheels transmitting impulses of identical force to the tourbillon, whatever the barrel’s degree of tension – DeWitt has now taken innovation to even greater heights.
SPECIFICATIONS
CASE
950 platinum, 43 mm
Sapphire crystal front and back
DIAL
Black with Côtes de Genève decoration
Opening over constant-force device at 8 o’clock
Opening over tourbillon cage at 5 o’clock
Rail power reserve at 10 o’clock
MOVEMENT
Manually-wound, DW8050 calibre, tourbillon with constant-force device, 25 rubies, 21,600 vib/h, 72-hour chain-driven power reserve, flat balance-spring
FUNCTIONS
Hours, minutes, power reserve indicator
BRACELET/STRAP
Black alligator leather with 750 platinum folding clasp
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