Perpetual Calendar
Technical Details
Special Technical Details
· Perpetual calendar
· Central indication of all calendar data
· Instantly changing indications
· Indication of leap year
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Indications
· Hours, Minutes,
· Day, Date, Month, Leap Year
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Dial material to the client’s wishes
Hands to the client’s wishes
Name plate 18-karat gold
Movement Information
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Diameter
Height
Winding
Power reserve
Number of jewels
Frequency
Escapement
Balance spring
Shock protection
Decoration
Rotor
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33.3 mm, including module for 39 mm case
6.85 mm, including module
automatic
36 hours
25 bearing jewels
28,800 vph
Swiss lever escapement
flat hairspring
Incabloc
completely hand-engraved and gold-plated
18-karat gold, completely hand-engraved
Case Details
Case material
Diameter
Height
Glass
Dial material
Hands
Index plate
Name plate
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Strap
Buckle
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18-karat gold or PT950
39 or 43 mm
ca. 13 mm
front: domed sapphire glass, back: flat sapphire glass
to the client’s wishes
to the client’s wishes
18-karat gold
18-karat gold
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hand-cut and –sewn alligator skin uppers and lowers
18-karat gold