By ITP
Gallery: Russian luxury brand smartphone meets luxury watch
Caviar Grand Complications Tourbillon combines an iPhone with a high-end timepiece

The mechanical watch has a manual winder (19 stones, 28 880 vph) with 30 hours power reserve.

The tourbillon, set below the clock face, is a device to improve the time-keeping accuracy of the mechanical components.

The tourbillon make one rotation per minute. The mechanisms have been created to order by a well-known European manufacturer whose name has not yet been disclosed.

The phone is finished in composite stone in black and white with gold coverings.

The design of the phone has been inspired by the synthesis of the astronomy, physics and philosophy, and the face is a stylistic interpretation of the planets and their orbits.

Model Caviar Grand Complications Tourbillon is released in a limited edition of only 99 handsets. The cost starts from $8 350.