--- product_id: 436048406 title: "19mm 20mm 21mm Rubber Silicone Watch Strap Waterproof Watchband for Longines master Conquest HydroConquest L3 Black Accessories" brand: "gc guan chao" price: "FREE" currency: TND in_stock: false url: https://www.desertcart.tn/products/436048406-19mm-20mm-21mm-rubber-silicone-watch-strap-waterproof-watchband-longines store_origin: TN region: Tunisia --- # Waterproof natural rubber 316L stainless steel buckle 21mm precision fit 19mm 20mm 21mm Rubber Silicone Watch Strap Waterproof Watchband for Longines master Conquest HydroConquest L3 Black Accessories **Brand:** gc guan chao **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > ⌚ Elevate your wrist game with comfort and style that lasts! ## Quick Answers - **What is this?** 19mm 20mm 21mm Rubber Silicone Watch Strap Waterproof Watchband for Longines master Conquest HydroConquest L3 Black Accessories by gc guan chao - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/436048406-19mm-20mm-21mm-rubber-silicone-watch-strap-waterproof-watchband-longines) ## Best For - gc guan chao enthusiasts ## Why This Product - Trusted gc guan chao brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Universal Fit Range:** Strap length fits 15-19 cm wrists with 21mm width precision - • **Premium Natural Rubber:** Odorless, dustproof, and sweat-resistant comfort all day - • **Versatile Style Upgrade:** Perfect for Longines HydroConquest & classic timepieces alike - • **Seamless Radian Interface:** Flawless watch-to-band connection for sleek style - • **Durable Stainless Steel Buckle:** 316L steel ensures corrosion resistance and lasting strength ## Overview This 21mm rubber silicone watch strap combines natural, odorless rubber with a durable 316L stainless steel buckle, designed for a comfortable, waterproof fit ideal for 15-19 cm wrists. Engineered with a radian interface for a close, stylish connection, it suits Longines HydroConquest and similar watches, offering a sleek, sweat-resistant upgrade for everyday wear. ## Description G C Guan chao The Rubber Watch band uses the natural rubber, no peculiar smell, dustproof, antiperspirant. The watch band is fashionable and beautiful, comfortable for daily wear and easy to manage. Suitable for each environment. ## Features - Watch band design: Watch band interface RADIAN interface design, watch band installation, watch and band connection position closely connected, beautiful style. - Band length: The length of the two sides of the strap is 90 mm, suitable for 15-19 mm wrist wear. - Strap material: the Strap is made of tural rubber, no dust, odor-proof, sweat-proof, soft and comfortable to wear. - Table Buckle Material: table buckle with stainless steel production, 316L material, stainless, durable. - Strap dimensions: Strap interface dimensions: 21MM.For Watch: GC Guan Chao Watch strap for Longines hydro conpuest. Watch. Suitable for conpuest watch with diameter 41mm, 43mm. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09H5THQMR | | Customer reviews | 3.7 3.7 out of 5 stars (11) | | Date First Available | 5 March 2022 | | Department | mens | | Manufacturer | GC GUAN CHAO | | Package Dimensions | 18.01 x 11.71 x 1.7 cm; 50 g | | amazon.ae Return Policy | Regardless of your statutory right of withdrawal, you enjoy a 30-day right of return for many products. For exceptions and conditions, see Return details . | ## Images ![19mm 20mm 21mm Rubber Silicone Watch Strap Waterproof Watchband for Longines master Conquest HydroConquest L3 Black Accessories - Image 1](https://m.media-amazon.com/images/I/41ebYi0WdFL.jpg) ![19mm 20mm 21mm Rubber Silicone Watch Strap Waterproof Watchband for Longines master Conquest HydroConquest L3 Black Accessories - Image 2](https://m.media-amazon.com/images/I/414LkmDigwL.jpg) ![19mm 20mm 21mm Rubber Silicone Watch Strap Waterproof Watchband for Longines master Conquest HydroConquest L3 Black Accessories - Image 3](https://m.media-amazon.com/images/I/41QRQDzsZ4L.jpg) ![19mm 20mm 21mm Rubber Silicone Watch Strap Waterproof Watchband for Longines master Conquest HydroConquest L3 Black Accessories - Image 4](https://m.media-amazon.com/images/I/51czL9O9x6L.jpg) ![19mm 20mm 21mm Rubber Silicone Watch Strap Waterproof Watchband for Longines master Conquest HydroConquest L3 Black Accessories - Image 5](https://m.media-amazon.com/images/I/414IwUenNbL.jpg) ## Available Options This product comes in different **Color, Size** options. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/436048406-19mm-20mm-21mm-rubber-silicone-watch-strap-waterproof-watchband-longines](https://www.desertcart.tn/products/436048406-19mm-20mm-21mm-rubber-silicone-watch-strap-waterproof-watchband-longines) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-10-15*