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Balance staff caliber 877 – Gruen – Ronda number 1139

Balance staff for Gruen caliber 877. N.O.S. Swiss quality part..

Product Information
Model A
Article: BS2639
Ronda no.: 1139
Movement: 7,25 x 14,5 ligne
Brand: Gruen
Caliber: 877, 877s
Model: A
Dimensions
Balance staff dimensions
A
mm/100 		B
mm/100 		J
units 		G
units 		K
units
341 188 85 37 40
Price & Availability
Availability: Sold out
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