Breguet caliber 505SR

Breguet caliber 505SR
Brand:Breguet
Reference:505SR
Movement:Automatic
Display:Analog
Diameter:32.70
Jewels:38
Reserve:50
Frequency:21600
Hands:Hours, Minutes, Small Seconds

Description

Self-winding movement, Cal. 505SR. Numbered and signed Breguet. Retrograde seconds engraved on the movement face. 14½ lignes. 38 jewels. 50-hour power reserve. Inverted in-line lever escapement with silicon pallets. Breguet balance spring in silicon. Balance frequency 3Hz. Adjusted in 6 positions

All watches using this caliber: