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Movement: Caliber RTO 27 QR SID LU CL
Manually wound mechanical movement. Minute repeater, tourbillon,
perpetual calendar with aperture displays and retrograde date, moon
phases, sidereal time, angular progression of the moon
Overall diameter: 38 mm
Height: 12.61 mm
Number of parts: 686
Number of jewels: 55
Power reserve: Min. 38 hours – max. 48 hours
Balance: Gyromax®
Tourbillon: 1 revolution per minute; number of parts: 69; overall weight: 0.3 g
Steel cage; tourbillon, balance wheel, and fourth wheel on one axis
Frequency: 21,600 semi-oscillations per hour (3 Hz)
Balance spring: Breguet
Balance spring stud: Adjustable
Hallmarks: Patek Philippe Seal, rate accuracy certificate for Patek Philippe tourbillon
watches
Displays: Front side, dial:
Mean solar time in hours and minutes, perpetual calendar with retrograde
date, day of week, month, leap year cycle, and moon phases
Back side, sky chart:
Sidereal time in hours and minutes, time of meridian passage of Sirius and
of the moon, angular progression of the moon, and moon phases.
Minute repeater: Hour, quarter-hour, and minute strikes on two “cathedral” gongs
Features:
Case: 18K white gold with reliefed engraving
Sapphire-crystal glass front and rear
Dimensions: Diameter 42.80 mm
Height (crystal to back): 16.25 mm
Height (crystal to lugs): 17.35 mm
Crowns: At 4 o'clock to wind the movement and set the hands for mean solar time,
hand-engraved
At 2 o'clock to adjust the sky chart, sidereal time, angular position of the
moon, and the moon phase, hand-engraved
Slide: In the case flank to actuate the minute repeater
Continued 7
Correction push pieces: Date and day between 11 and 12 o'clock
(in the case flank) Month between 3 and 4 o’clock
Moon phase between 5 and 6 o'clock
Day of week between 6 and 7 o’clock
Front side: Gold dial with blue enamel in champlevé and cloisonné
Railway-track minute scale integrated in the blue champlevé enamel
Applied Roman numerals in white gold
Date numerals and markers, signature lettering, and movement number
painted bright gray
Hands: Hours and minutes: leaf-shaped hands in white gold, hand-engraved
Date: slender double-leaf flyback hand in rhodiumed steel
Back side: Four metallized sapphire-crystal disks
(sky chart) Hours and minutes of sidereal time: white counterbalanced baton hands
Strap: Hand-stitched shiny blue alligator with large square scales and handengraved fold-over clasp in 18K white gold
Aristo Watch supports international shipment. You are responsible for the shipping fee and your local tax&duties. Please consider carefully before you purchase.
Aristo Watch only sells genuine watches. Please provide a written report from authorized agencies if you are in doubt of the authenticity. Please check our refund policy for details.
Please contact with us before you make any purchase to ensure you get the most updated price. We do not show up all the price especially watches in large amount.
