Movement: Raised central one-minute tourbillon, separate hours and minutes, seven-day power reserve. Balance oscillating at 28,800 bph. Automatic winding. 22K Gold Battle Ax winding rotor. Four mainspring barrels in parallel. Number of jewels: 81 (all functional). Number of parts: 376 (including jewels).

Functions: Left dial: Hours Right dial: Minutes and Seven-Day Power Reserve

Case: Available in either 18K White Gold, 18K Red Gold or Black PVD coated 18K White Gold. Dimensions: length 41mm, width 64mm, height 14mm. Number of parts: 48.

Sapphire crystals: Dial side with anti-reflective treatment on both faces. Display back with anti-reflective treatment on single face.

Dials: Available in either silver/ruthenium (silver), ruthenium/silver (dark grey) or open (HM1-Black and HM1-RS). Hour and Minute bridges in sapphire crystal.

Strap & Buckle: Hand-stitched alligator with 18K Gold custom-designed deployment buckle.

Presentation box: Bespoke ETRO pin-stripe flannel and leather designer carry bag hosting the presentation box.