400 Day Clock Suspension Unit 18A square settings Bergeon Set of 17 Mainspring

Bergeon Set of 17 Mainspring Winders Right hand watch mainspring winders

Winds left and click assembly not included

dauphine hour and minute

Fits Omega® Case numbers: 1750514

80 mm in diameter and has 2 coils that measure a length of 3

400 Day Clock Suspension Unit 18A square settings Bergeon Set of 17 Mainspring400 Day Clock Suspension Unit 18A can be identified in the Horolovar 400 Day Repair Guide and is the same as Unit 18B and 18C. To decipher what type of suspension unit is needed you must first identify the back plate of a 400 day clock using the Horolovar 400 Day Repair Guide. To be used for Petersen Standard 53, Petersen Standard 54. A B Total Length 111. 5mm 6 mm 136mm Note: Please see enlarge image for measurement explanation.