Reference: 81590000G-9848 Shape: Round Diameter (mm): 33.00 Thickness (mm): 7.7 Material of the case: 18K white gold Number of diamonds: 54 Total caratage: approx. 0.87Informations Water-resistance (bar): 3 Informations Watch strap material: alligator Mississippiensis Watch strap color: dark blue Type of buckle: Ardillon buckle Buckle material: 18K white goldCALIBER 1400 Reference: 1400 Energy: manual Thickness (mm): 2.60 Diameter (mm): 20.65 (9) Number of parts: 98 Number of jewels: 20 Frequency: 4 Hz ( 28. 800 v.p.h ) Power-reserve (hours): 40 approx.