THOMAS PRESCHER –The inventor of the flying Triple Axis Tourbillon presents the PERPETUAL CALENDAR QP 1
Hand made perpetual calendar with instantly jumping central indication of all calendar data, including leap year indication.

The „QP 1“ has all hands located on one central axle. The available space on the round dial is optimally used by concentric circles.

All indications are clearly arranged and well readable.

The watch has a power reserve of 36 hours and its case is made from 18-carat gold or platinum.

All parts of the mechanism, dial, hands and case are developed and made in house.

Technical Specifications

· Perpetual calendar

· Central indication of all calendar data

· Instantly changing indications

· Indication of leap year

Indications

· Hours – Index

· Date – 1-31

· Minutes – Index

· Month  – Index

· Day – 1-7

· Leap Year – Window at 6 o’clock

Movement Information

Diameter – 34.3 mm, including module for 39mm case

Height – 6.85 mm, including module

Winding – automatic

Power reserve – 36 hours

Number of jewels – 25 bearing jewels

Frequency – 28800 beats per hour (4Hz)

Escapement – Swiss lever escapement

Balance spring – flat hairspring

Shock protection – incabloc

Decoration – completely hand-engraved and gold-plated

Rotor – Oscillating weight platinum

Case Details

Case material – 18-karat gold or PT950

Diameter – 39mm or 43mm

Height – ca.13 mm

Glass – front: domed sapphire glass,

– back: flat sapphire glass

Dial material – to the client’s wishes

Hands – to the client’s wishes

Index plates – 18-karat gold

Name plate – 18-karat gold

Strap – hand-cut and -sewn alligator skin uppers and lowers

Buckle – 18-karat gold or PT 950

See Thomas Prescher at “Baselworld 2009”, Hall 5.1 Stand B01, from 25th March to 4th April 2009