De Bethune DB16 Tourbillon
The case, in 18kt rose gold, measures 43mm x 13mm. It had double sapphire crystals.
Movement is the Swiss hand-wind De Bethune in-house caliber DB2509 with 46 jewels, 36,000 vph and a power reserve of 4 days. Self-regulating twin barrel with silicon/white gold balance wheel and abalance-spring with flat end curve. De Bethune 30" silicon/titanium tourbillon, with silicon escape wheel and spherical moon-phase indication with retrograde age of the moon indication.
Functions are hours, minutes, central jumping seconds; date at 6 o'clock; perpetual calendar indicating the day at 9 o'clock and the month at 3 o'clock; spherical moon-phase and leap-year indication at 12 o'clock; power reserve indication at 6 o'clock; tourbillon with 30-second indication; and age of the moon indication.
The dial is silver-toned, sunburst guilloché motif, with apertures indicating the day of the week at 9 o'clock and the month at 3 o'clock 6 o'clock dial indicating the day of the month. It has a star-studded sky in flame-blued steel encrusted with gold stars, featuring spherical moon-phase indicator in platinum and flame-blued steel at 12 o'clock. The hands are curved, in hand-polished and flame-blued steel.
The strap is extra-supple alligator leather with pin buckle.
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