Jaeger LeCoultre® calibre # 449 regulator for Breguet hairspring Fits calibers: 449, 450, 451, 452, 463, 464, 468, 469, 470, 478, 479, 484, 488, 494 AS 1622 Hermle Barrel T a German

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Jaeger LeCoultre® calibre # 449 regulator for Breguet hairspring Fits calibers: 449, 450, 451, 452, 463, 464, 468, 469, 470, 478, 479, 484, 488, 494 AS 1622 Hermle Barrel T a GermanJaeger LeCoultre regulator for Breguet hairspring, part # 302, calibre # 449 regulator for Breguet hairspring to fit Jaeger LeCoultre calibres: 449, 450, 451, 452, 463, 464, 468, 469, 470, 478, 479, 484, 488, 494 *Perrin Supply Ltd is independent of and not affiliated with or sponsored by Jaeger LeCoultre. Jaeger LeCoultre warranty does not apply to parts supplied byPerrin Supply Ltd. Using generic parts may devalue your watch.