Condition: 100% Brand NewItem Type: Watch O-RingMaterial: PlasticApplicable People: Watch repair professionalsApplicable Scenarios: Used to add or replace the O-ring of the watchSize Chart:16.7x16mm/0.7x0.6in29.2x28.5mm/1.1x1.1in17.2x16.5mm/0.7x0.6in29.7x29mm/1.2x1.1in17.7x17mm/0.7x0.7in30.2x29.5mm/1.2x1.2in18.2x17.5mm/0.7x0.7in30.7x30mm/1.2x1.2in18.7x18mm/0.7x0.7in31.2x30.5mm/1.2x1.2in19.2x18.5mm/0.8x0.7in31.7x31mm/1.2x1.2in19.7x19mm/0.8x0.7in32.2x31.5mm/1.3x1.2in20.2x19.5mm/0.8x0.8in32.7x32mm/1.3x1.3in20.7x20mm/0.8x0.8in33.2x32.5mm/1.3x1.3in21.2x20.5mm/0.8x0.8in33.7x33mm/1.3x1.3in21.7x21mm/0.9x0.8in34.2x33.5mm/1.3x1.3in22.2x21.5mm/0.9x0.8in34.7x34mm/1.4x1.3in22.7x22mm/0.9x0.9in35.2x34.5mm/1.4x1.4in23.2x22.5mm/0.9x0.9in35.7x35mm/1.4x1.4in23.7x23mm/0.9x0.9in36.2x35.5mm/1.4x1.4in24.2x23.5mm/1x0.9in36.7x36mm/1.4x1.4in24.7x24mm/1x0.9in37.2x36.5mm/1.5x1.4in25.2x24.5mm/1x1in37.7x37mm/1.5x1.5in25.7x25mm/1x1in38.2x37.5mm/1.5x1.5in26.2x25.5mm/1x1in38.7x38mm/1.5x1.5in26.7x26mm/1.1x1in39.2x38.5mm/1.5x1.5in27.2x26.5mm/1.1x1in39.7x39mm/1.6x1.5in27.7x27mm/1.1x1.1in40.2x39.5mm/1.6x1.6in28.2x27.5mm/1.1x1.1in40.7x40mm/1.6x1.6in28.7x28mm/1.1x1.1in