0694 Watch Mainspring 1.40 x 0.095 x 260 (10 1/4")(Calibers in description) Rolex® 1315 to be used with a

to be used with a Horotec® or Bergeon® case opener

66 mm Friction Post 14kt is available in either 14kt yellow and 14kt white and different ball diameters

please choose the option best suited for your needs

and your choice of gold or silver buckle

Thickness is 5/64" (2

0694 Watch Mainspring 1.40 x 0.095 x 260 (10 1/4")(Calibers in description) Rolex® 1315 to be used with aDimensions: 1. 40 x 0. 095 x 260 (10 1 4") End Type: Double Brace Hole Material: Genuine Zenith unbreakable Calibers: Zenith 10 1 2 ligne, Zenith 10 1 2 ligne N, Zenith 10 1 2 ligne NS1, Zenith 106, Zenith 106 6, Zenith 106 7, Zenith 106 50, Zenith 106 50 6, Zenith 106 SC