Maurice Lacroix MP7158-SS001-301-1 MASTERPIECE SQUARE WHEEL 43mm Automatic Watch

River Edge Jewelers

CASE
- Stainless steel, Ø 43mm, satin and polished finishing
- Domed sapphire crystal with anti-reflective coating on both sides
- Screwed caseback with wide sapphire crystal - Water resistance to 50 m (5 atm)
 
MOVEMENT BRIDGE/DIAL
- Dial in black, sun ray finishing
- Applied indexes for the Hours, Minutes and power reserve indication
- The square wheel and clover mesh to transfer power with the same precision as the cogs in their circular counterparts; in addition the wheel is used to indicate the seconds
- The square and clover-shaped wheels are highlighted by a circular opening on the movement bridge itself, decorated with a sandblasted background
HANDS
- Trailing square wheel for the seconds display
in nickel, seconds pointer with black luminescent coating (blue emission)
- No visible rotation axis
- Diamond-polished and faceted Hours and Minutes hands, coated with white Superluminova (blue emission)
- Diamond-polished and faceted power-reserve
 
STRAP/BRACELET
- Large scale crocodile-skin strap, hand-stitched - Available in black and brown
 
BUCKLE
- Folding steel clasp with push buttons - Satin and polished finishing
MOVEMENT
- ML 156 mechanical movement, hand-wound
- Developed in collaboration with HE-ARC, manufactured and assembled by Maurice Lacroix
- Design patented (square wheel / clover leaf) 
 
 
FUNCTIONS
- Hours and minutes indicated by central hands
- Small seconds by square wheel at 6 o’clock - power-reserve hand at 3 o’clock
- Frequency: 18,000 vph (2.5Hz)
- Power reserve: 45 hours
- Jewels: 34
- Adjustments: 5 positions after full winding and 2 positions after 24 hours
- Decoration: Grand Colimaçon, rhodium finish

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