30mm, 30.5mm, 31mm, 31.5mm, 32mm, 32.5mm, 33mm, 33.5mm, 34mm, 34.5mm, 35mm, 35.5mm, 36mm, 36.5mm, 37mm, 37.5mm, 38mm, 38.5mm, 39mm, 39.5mm, 40mm. Thickness: 1mm, 1.2mm, 1.5mm, 2mm. Size 30-40mm Round Flat Watch Accessory Glass Crystal Thick 1mm/1.2mm/1.5mm/2mm.
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