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430P - 438P
ULTRA-THIN HAND-WOUND MECHANICAL MOVEMENTS
430P
20.5 mm
2.1 mm
SPECIFIC HIGHLIGHTS
• Ultra-thin movements: 2.1 mm.
• 430P: Piaget's second generation of ultra-thin hand-wound mechanical movements,
following from the 9P movement.
• 430P: movement development time: 3 years.
• 438P: variation of the 430P, ultra-thin rectangular shaped movement.
• Balance-stop device.
438P
23.7 mm
2.1 mm
20.3 mm
6
430P
Ultra-thin hand-wound mechanical
movement
FUNCTIONS
Central hours and minutes.
FINISHING
Circular Côtes de Genève.
Circular-grained plate.
Bevelled and circular-grained bridges.
Blued screws on bridges.
Jewels:
18
131
Components:
Movement thickness:
2.1 mm
9''' (20.5 mm)
Casing dimensions:
Frequency:
21'600 vibrations/
hour, 3 Hz
Power reserve:
approximately 43 hours
7
438P
Ultra-thin hand-wound mechanical
movement
FUNCTIONS
Central hours and minutes.
FINISHING
Circular Côtes de Genève.
Circular-grained plate.
Bevelled and circular-grained bridges.
Blued screws on bridges.
Jewels:
19
136
Components:
Movement thickness:
2.1 mm
10'''
x 9'''
Casing dimensions:
3/4
(23.7 mm x 20.3 mm)
Frequency:
21'600 vibrations/
hour, 3 Hz
Power reserve:
approximately 43 hours
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