An unusual combination: Gyromax balance with swan neck regulator. From Patek's first automatic calibre, the 12-600 AT
Redirecting to https://twitter.com/UnderTheLoupe/status/445612125126270977/photo/1
An unusual combination: Gyromax balance with swan neck regulator. From Patek's first automatic calibre, the 12-600 AT
Redirecting to https://twitter.com/UnderTheLoupe/status/445612125126270977/photo/1