movement
self-winding chronograph 3 counters, Valjoux 7751 base, hand-engraved and assembled by Dubey & Schaldenbrand
finish
rhodium-treated circular Côtes de Genève, blued screws, DS logo cut out from the automatic rotor, black gold finish
frequency
28'800 vibrations per hour
jewels
25 / Incabloc
power reserve
42 hours
functions
central hours and minutes, calendar with window-type day and month display at 12 o'clock, central pointer-type date, moon phase at 6 o'clock, split-time function by large central seconds hand, along with chronograph minute counter at 12 o'clock and hour counter at 6 o'clockdial
two superimposed dials, central chequer-patterned dial, satin-brushed outer dial, raised counter surround
hands
skeleton DS hands, coated with Super-Luminova
case
high-grade 316L steel, steel crown with DS engraving, asymmetrical steel pushers
diameter // water resistance
37 x 52 mm // to 50 meters
watch crystal
convex spherical inside and outside upper sapphire crystal, anti-reflective on both sides, sapphire case-back
strap and buckle
folded-edge black alligator leather, tone on tone stitching, large square scales, steel folding tang with DS personalisation