TECHNICAL DATA SHEET
Grande Cosmopolite Tourbillon
Reference
89-01-03-93-04
Case material
Platinum
Strap
Louisiana Alligator leather
Limited Edition
25 pieces worldwide
Case diameter
48 mm
Height
16 mm
Waterproof up to
5 ATM
Glass
Sapphire crystal, anti-reflective on both sides
Bottom
Sapphire crystal, officer’s case back with engraved time zones
Caliber
Manual winding movement, Caliber 89-01
Individual components
528
Dimensions
Diameter 39.2 mm, Height 7.5 mm
Oscillating frequnecy
21.600 A/h, equivalent to 3 Hz
Power Reserve
72 h
Jewels
70 and 2 diamond endstones
Balance
screw balance with 18 weighted screws in the tourbillon carriage, one revolution per minute
Remarks
Flying Minute Tourbillon (small second on Tourbillon cage), home time 24 h display (off-centre), 2nd time zone with hours and minutes (switchable of 37 time zones incl. ½ h and ¾ h differences), daylight saving - /standard time, perpetual calendar with day, month, leap year and panorama date (switchable forward and backward), day/night indicator, power reserve display (on movement side); exquisitely finished movement, beveled edges, polished and brushed steel parts, screwed gold chatons, blued screws, Breguet spring, wheel-train bridge with Glashütte ribbed finish, winding wheels with double sun burst decoration.
6 Risposte
1266 Visite