Movement: Jean-Marc Wiederrecht/Agenhor designed functionality regulated and powered by a Sowind base Balance oscillating at 28,800 bph 22K red gold battle-axe automatic winding rotor (green PVD coated 22K for HM2-Black SV) Number of components: 349 including 44 jewels

Functions: Left dial: Retrograde Date and Bi-Hemisphere Moon Phase Right Dial: Jumping Hours and Concentric Retrograde Minutes

Case: Dimensions (exclusive of crown and lugs): 59mm x 38mm x 13mm Water resistant to 30 meters (3 ATM) Number of parts: 120 (case only)

Sapphire crystals: Sapphire case top and crystals over the dual dials treated with anti-reflective treatment on both faces. Display back with anti-reflective treatment on single face.

Dials: Brushed sapphire and black metallic disks

Strap & Buckle: Black hand-stitched alligator with 18K gold & titanium folding buckle

Presentation box: Precision engineered aluminium and leather instrument case featuring an integrated Rüeger thermometer