Caliber C3057 by the Concepto Watch Factory
Mechanical movement with automatic winding by a ball-bearing-mounted central oscillating mass
Total thickness of movement: 8.40 mm
Diameter: 30.40 mm (13¼)
Balance-wheel frequency: 28,800 vibrations per hour (4 Hz)
Number of jewels: 27
Number of components: 245
Power reserve: 48 hours
Regulating organ (escapement): Top chronometer quality
Cam chronograph mechanism, integrated into the movement
Finish on upper bridges: semi-open-worked and grained
Date disk: laser-cut (skeletonized)
Compatible with the Valjoux 7753 Chronograph MovementBlack Ceramic Watch

Functions
Hours and minutes displayed by central hands, small seconds at 9 o’clock. Central 60-second chronograph counter, 30-minute counter at 3 o’clock and 12-hour counter at 6 o’clock (Tri-Compax display)
Date function with aperture positioned at half past four, skeletonized-type openwork, with rapid crown correction

Crown and pushers
Crown that activates the winding stem, in three positions: 1) operation and manual winding position (34 turns to fully wind); 2) rapid date correction; 3) time setting with stop seconds
Chronograph activation push-piece (start-stop) at 2 o’clock and zero-reset push-piece at 4 o’clockLuxury Watch News

Case, dial and strap
Case middle in 316L / 1.4435 stainless steel
Diameter 41.00 mm and total thickness 15.00 mm
Upper bezel in scratchproof black ceramic (except for model LCF888/01)
Sapphire crystal with anti-reflective treatment on both sides
Black PVD-treated crown and push-pieces
Luminescent material on hour-markers and H-M hands
Lower bezel in anodized aluminum
Case-back fixed by 8 screws, polished heads
Water-resistance guaranteed to 100 m (10 ATM)
Sapphire crystal
Strap in robust natural rubber (70 Shore)
Over-molded fastening insert
Strap fixed by screw and tube