Movement details: Manual winding movement; Diameter 32 mm, height 7.2 mm, 42 jewels, 4 of which are set in screw-mounted gold chatons. Screw balance with 14 gold weighted screws and 4 regulating screws in slotted, threaded holes, free-sprung Breguet hairspring, pallet lever with domed pallets; 21,600 vph. Power reserve when fully wound 65 hours.

Functions: Hour, minute, small second. Minute repeater for hours, quarter hours, and minutes on two gongs. 550 movement parts, Glashütte three-quarter-plate, gold-plated, matte flat parts, all dial train components finished by hand: all bevels polished and surfaces tin-polished, hand-engraved balance cock and and barrel cover of striking mechanism with relief engraving, winding wheels with click and sunburst polishing, gear train with fine mirror polish.

Case details: Domed sapphire crystal anti-reflective. See-through back with sapphire crystal.