Hong Kong, May 29, 2022
| Grading System | |
|---|---|
| Grade: AAA | Excellent | 
| Case: 3 | Good | 
| Movement: 3* | Good Overhaul recommended, at buyer's expense | 
| Dial: 3-6-8-01 | Good Slightly oxidized Slightly scratched HANDS Original | 
Brand Patek Philippe, Geneva
Model so-called “Hour Glass”
Reference 1593
Year circa 1960
Movement No. 977 652
Case No. 2 631 052 (by C. Markowski, Geneva) and No. 2 631 055 (on the metal insert)
Material platinum and diamonds
Bracelet platinum Patek Philippe bracelet with patented clasp (by Gay Frères, Geneva, dated March 1961)
Length 185 mm. (approx.)
Caliber 9-90, Gyromax balance, index regulator with swan-neck spring and micrometric screw, adjusted to heat, cold, isochronism and 5 positions, Geneva Quality Hall Mark
Height 41.5 mm.
Width 25.2 mm.
Signature dial, case and movement