Defy Xtreme Open Stealth

CaliberEl Primero 4021 SX
Automatic Chronograph movement with harmonic plate
13``` caliber. Diameter 30 mm. Height : 7.75 mm. 248 components
Balance, chronograph & pallet bridges in shock-absorbing Zenithium Z+
Incabloc® anti-shock device
36'000 vibrations per hour
Power reserve over 50 hours
39 jewels
Measures short time intervals to a 10th of a second
Automatic winding in both directions
Central rotor on ball bearings
Heavy Metal oscillating weight with carbon fiber inserts

FunctionsHours and minutes in the center
Small seconds-hand at 9 o'clock with a 3-branched hand
Power reserve indicator from hour axis
Central seconds-hand
30-minute counter at 3 o'clock

CaseTitanium case. Diameter: 46.5 mm
Titanium screw-in push-buttons with carbon fiber guilloché patterns
Titanium screw-in crown with specific protecting device
Graduated unidirectional rotating bezel & indexes in Titanium
Helium valve at 10 o'clock
Titanium screw-in case back
Water-resistance up to 1'000 meters

DialMulti-layered see-through structure composed of shock-resistant transparent Hesalite glass, Black or grey carbon fiber layer and nitrocellulosed nickel-coated dial plate
9-branched Open “helical” bridge in solid Gold

CrystalSapphire glass, 3.8 mm thick, with anti-reflective coating on both sides

HandsRhodium-plated luminous hands with red Superluminova inserts
Hour & minute “skeleton” rhodium hands

BraceletHigh-temperature resistant bracelet in brushed white or black titanium
Central links in composite materials, with carbon fiber for the black version.
Lateral inserts in composite materials (white version) or Kevlar (black version)

BuckleBrushed titanium triple folded clasp

EXCLUSIVE LIMITED AND NUMBERED EDITIONS