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Functions | : | hours - minutes - De Bethune spherical moon-phase |
Movement | : | Calibre DB 2105 – mechanical self-winding |
Mainplate | : | hand-decorated and snailed, hand-chamfered and polished steel parts |
Self-regulating twin barrel* | : | The barrels are specifically designed to decrease friction and efficiently transmit a maximum of energy. |
Silicon/platinum balance wheel* | : | with flat terminal curve – Its exceptional lightness enables this balance wheel to reduce mechanical friction and deliver an ideal inertia/mass ratio. The principle of the flat end curve, placed on the same level as the balance-spring, compensates for off-centering and facilitates its fastening. |
Triple pare-chute shock-absorbing system* | : | which reduces potential disturbances due to impacts to an absolute minimum and protects the balance-spring pivots. |
Exclusive three-dimensional moon-phase display* | : | by means of a platinum and steel sphere set with 44 diamonds and 44 blue sapphires, spinning on its own axis with a precision amounting to a mere one-day difference every 122 years. |
Jewelling | : | 27 jewels |
Frequency | : | 28,800 vibrations per hour |
Power reserve | : | 6 days |
Case | : | drum-shaped 40 mm in diameter, white gold set with 61 baguette-cut blue sapphires totalling 5.29 cts Thickness: 11 mm |
Attachments | : | hollowed lugs |
Glass | : | sapphire crystal with doubled glareproofing, 1800 Vickers |
Crown | : | at 3 o’clock – adjustable in 2 positions |
Back | : | exhibition type, sapphire crystal with double glareproofing, 1800 Vickers providing a view of the mirror-polished movement |
Dial | : | De Bethune star-studded sky in flame-blued mirror-polished titanium with white gold stars and 21 diamonds, moon set with 44 diamonds and 44 blue sapphires at 12 o’clock |
Hands | : | curved, hand-polished flame-blued steel |
Strap | : | extra-supple alligator leather with pin buckle |