Si Tech Latex Wrist Seal - 100mm - Large (Pair)
By Si Tech | Part #: S61090 | Size: Large (18 - 21 cm) | Base: 100mm
Keep your drysuit 100% watertight with the Si Tech Latex Wrist Seal Pair in 100mm Large (Part #S61090). Manufactured from high-grade natural rubber latex, this pair of replacement wrist seals delivers a comfortable, secure fit for larger wrist circumferences while mounting seamlessly into standard modular quick-change wrist ring systems.
Available at International Diving Centre—Vancouver’s local drysuit repair and equipment specialist—these 100mm latex seals feature a standard base ring diameter suited for the vast majority of drysuits on the market today.
Understanding the 100mm Base Diameter & Sizing
The 100mm measurement refers to the outer base diameter (the suit-side attachment end) of the seal, not your wrist size:
- 100mm Base Diameter (Standard Choice): Fits standard full-sized modular quick-change wrist systems (such as SI Tech QCS Oval, Quick Cuff, GLOVLOCK, or standard glue-in sleeves). Most divers and standard drysuits require the 100mm base.
- Wrist Size (Large): Fits a wrist circumference of 18 cm - 21 cm (7.1" - 8.3") to ensure a comfortable watertight seal against the skin without pinching.
Need help checking your neck or wrist measurements? View our full Si Tech Drysuit Seals Size Chart & Selection Guide to verify your size and system compatibility!
Key Performance Features
- Standard 100mm Attachment Base: Compatible with SI Tech QCS Oval, Quick Cuff, GLOVLOCK, and glue-in cuff assemblies.
- Large Precision Fit: Engineered for wrist circumferences of 18 - 21 cm (7.1" - 8.3") to prevent water ingress while maximizing comfort for larger wrists.
- Heavy-Duty Natural Latex: Premium flexible rubber material offers excellent sealing memory and tear resistance.
- Sold as a Matching Pair: Includes two identical replacement wrist seals ready for installation.
Technical Specifications
| Brand / Manufacturer | Si Tech |
| Part Number / SKU | S61090 |
| Seal Material | Natural Latex Rubber |
| Base Outer Diameter | 100mm (Standard Modular Ring Fit) |
| Wrist Size / Range | Large: 18 - 21 cm (7.1 - 8.3 in) |
| Package Contents | 1 Pair (2 Wrist Seals) |
Canada's Premier Scuba Shop: Visit International Diving Centre at 2865 West Broadway in Vancouver for professional drysuit repairs, seal replacements, and Si Tech accessories!
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