The Collection of a European Nobleman

Geneva, May 11, 2008

LOT 119

Masters Perpetual Calendar Time Equation Daniel Roth, "Masters Perpetual Calendar Time Equation", Numero 22. Sold in November 2006. Very fine, double ellipse-shaped, curved, self-winding, waterresistant, 18K white gold wristwatch with perpetual calendar, equation of time indication, moon phase, length of month indication and an 18K white gold Daniel Roth deployant clasp. To be sold without reserve

CHF 20,000 - 30,000

EUR 13,000 - 19,000 / USD 20,000 - 30,000

Sold: CHF 27,600

C. Two-body, solid, polished, transparent case back with 6 nuts, stepped band, rounded bezel, straight lugs, sapphire crystals. D. Engine-turned silver with applied yellow gold Arabic numerals on a plain brushed silver reserve, outer dot minute divisions, subsidiary dial for the date concentric with 4-year indication, apertures for the days of the week, months and moon phases, sectors for the equation of time and length of month indications. Blued steel flèche hands. M. Rhodium-plated, 27 jewels, straight line lever escapement, monometallic balance adjusted to heat, cold and 5 positions, shock absorber, self-compensating flat balance spring, 22K gold rotor with platinum rotor segment. Dial, case and movement signed. Dim. 41 x 50 mm. Thickness 13 mm.


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Grading System
Grade: AA

Very good
Case: 3

Good
Movement: 2*

Very good

Overhaul recommended, at buyer's expense
Dial: 1-01

As new

HANDS Original

Notes

The sector between 10 and 11 shows the difference between average and real solar time. The equation of time is calculated throughout the year with a difference culminating on February 11 with +14 minutes and November 4 with -16 minutes. Real and average solar times coincide four times a year: April 16, June 14, September 1 and December 25. Another interesting feature of this watch is the sector between 1 and 2 showing the length of each month, from 28 to 31 days.