400 Day Clock Suspension Unit 13A split rings 145 x 420 (16 1/2")

145 x 420 (16 1/2")

Withstands temperatures up to 175°F

Zenith® Genuine

gold dial and black Arabic numerals

Genuine Rolex® screw for ratchet wheel

400 Day Clock Suspension Unit 13A split rings 145 x 420 (16 1/2")400 Day Clock Suspension Unit 13A can be identified in the Horolovar 400 Day Repair Guide and is the same as Unit 13B and 13C. 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 Koma Standard 50, Koma Standard 52, Koma Standard 56. A B Total Length 107. 5mm 5. 5mm 130mm Note: Please see enlarged image for measurement explanation.