An icon of mechanical ingenuity and aesthetic refinement, the Maurice Lacroix Masterpiece Square Wheel brings horological innovation to life with its pioneering square gear system. Merging classic design elements with bold engineering, it exemplifies Swiss creativity at its finest.

Features

Case & Crystal

• Diameter: 43 mm

• Thickness: 15 mm

• Material: Stainless steel

• Finish: Brushed and polished

• Crystal: Sapphire crystal with double anti-reflective coating

• Case Back: Exhibition case back with sapphire glass

• Water Resistance: 100 m (10 ATM)

Dial & Hands

• Dial: Silver, clous de Paris motif with black printings

• Hour Markers: Roman numerals, blue-plated

• Hands: Blue-plated

Movement & Functions

• Movement Type: Automatic

• Caliber: Manufacture ML258

• Functions:

  • Hours and minutes

  • Small seconds via square wheel at 9 o’clock

  • Retrograde calendar at 5 o’clock

• Power Reserve: 38 hours

• Frequency: 28’800 vph

• Jewels: 37

• Decorations:

  • Rhodium-plated movement with Colimaçon and M-logo lining

  • Vertical Côtes de Genève

  • Sand-blasted and Colimaçon finishing on the rotor

Strap

• Material: Black calf leather with Maurice Lacroix ‘m’ logo

• Width: 21 mm

• Buckle: Folding clasp

• Buckle Material: Stainless steel

• Easy Change System: No

With its revolutionary square-wheel complication and retrograde calendar, the Maurice Lacroix Masterpiece Square Wheel redefines mechanical storytelling—uniting tradition, innovation, and a distinct urban elegance in one unforgettable timepiece.