PATRIMONY MOON PHASE AND RETROGRADE DATE

MOVEMENT

Reference: 2460 R31L

Energy: Automatic

Thickness (mm): 5.40

Diameter (mm): 27.20 (11½”’)

Number of parts: 275

Number of jewels: 27

Frequency: 4 Hz ( 28800 v.p.h )

Power-reserve (hours):  40 approx.

Indication: hours, minutes, precision moon phase, retrograde hand-type date

Certification: Hallmark of Geneva

CASE

Diameter 42.5 mm, 18K 5N pink gold