【Replacement PTFE Watch Glass Gasket Set – 0.35/0.4/0.45mm White I-Ring Seals】 – Professional-grade replacement gasket set designed for watch crystal/glass sealing and repair. Available in 0.35mm, 0.4mm, and 0.45mm thickness options – the most common specifications for watch front glass/crystal sealing-. Crafted from premium PTFE (Teflon/铁氟龙) material – offering superior heat resistance, anti-aging properties, and long-term durability-. The essential waterproofing kit for watch enthusiasts and professionals restoring vintage and modern timepieces.
Premium PTFE/Teflon Construction – Crafted from high-quality PTFE (铁氟龙/聚四氟乙烯) material – the industry standard for premium watch crystal gaskets-. Key advantages:
耐高温抗老化 – remains stable and elastic over time, unlike rubber that hardens and cracks--3
优异的化学稳定性 – resists degradation from sweat, moisture, and environmental exposure-
稳定压缩性能 – maintains consistent sealing pressure between glass and case-
I-Ring结构设计 – flat, white plastic ring design with compressibility for optimal waterproofing-
Unlike ordinary rubber, PTFE won't deform or lose elasticity with age
I-Ring Professional Design – This is the professional I-RING (I令) design – the standard crystal gasket used by Swiss watchmakers-. Features:
白色扁形塑料圈结构 – flat profile that fits perfectly between crystal and case-
单边压缩量0.075mm – precision-engineered compression for reliable sealing-
同时起防水和固定作用 – both seals the crystal and secures it firmly in place-
Compatible with Rolex, Omega, Longines, Tissot, and other Swiss/Japanese watches--2
Multiple Thickness Options – 0.35/0.4/0.45mm – Available in the most commonly used thicknesses for watch crystal sealing:
0.35mm – for precision-fit applications, commonly used in ultra-thin watch designs-
0.4mm – the most popular size for Swiss and Japanese watch crystals--1
0.45mm – for slightly wider gaps and vintage watch restorations-
Select the thickness that matches your original gasket for optimal waterproofing
Essential for Watch Restoration & Repair – Perfect for:
Replacing aged or damaged crystal gaskets – restore waterproofing to vintage watches-3
DIY crystal replacements – upgrade to sapphire or new glass with proper sealing-3
Professional watch repairs – essential inventory for watchmakers
Maintaining water resistance – crystal gaskets should be replaced whenever the glass is removed-
Compatible with Major Watch Brands – Suitable for repairing and maintaining most watch brands including:
Rolex, Omega, Longines – Swiss luxury watches--2
Tissot, Hamilton, TAG Heuer – Swiss mid-range-2
Seiko, Citizen, Casio – Japanese watches-
Many vintage watches – I-Ring design is the standard for classic timepieces
Wide Size Coverage – Available in various inner diameters from 16-40mm to fit most watch crystals-1. Measure your existing gasket or crystal diameter to select the correct size. Professional-grade packaging ensures gaskets arrive in perfect condition.
OEM-Spec Alternative – Precision-crafted to match original manufacturer specifications. A cost-effective solution compared to OEM service parts – priced at a fraction of official repair costs-3. Note: These are aftermarket replacement parts, not genuine branded parts.
Easy Installation – Direct replacement for the original gasket. Simply remove the old I-Ring, clean the groove, and press the new PTFE ring into place-3. Professional installation recommended for water resistance assurance, but DIY-friendly for experienced enthusiasts.
