Part reference: Sternkreuz XAC347.698 (also listed as XAC347698). Fits YCS Irony Chrono models with and without date/calendar magnifier window. Tension ring height: 3.60 mm. Tension ring (armoured) crystals are friction-fitted into the case; no adhesive required.
The Acrylic Crystal 34.7mm Chrome Tension Ring would be ideal for watchmakers who are looking to upgrade the appearance of their vintage or handmade watches.