Aurore-Villaret 423

• 17/21 Jewels, manual wind, no second.
• Size: 10,5'''  23,3 mm.
• H: = 2.80 mm.
• N: = 18.000 A/h.
• Power reserve: 42 h.

Versions:

• 423 - 427:       10.5'''
• 4200 - 4202:   11.5'''
• 4205 - 4207:   11.5'''