--- product_id: 48920285 title: "Series 3 Sailing Watch in Yellow - Water Resistant Race Timer for Sailing" brand: "optimum time" price: "717.24 DT" currency: TND in_stock: true reviews_count: 13 category: "Optimum Time" url: https://www.desertcart.tn/products/48920285-series-3-sailing-watch-in-yellow-water-resistant-race-timer store_origin: TN region: Tunisia --- # Pre-programmed ISAF race countdown sequences Water resistant up to 5 ATM (50 meters) 16mm digit height for instant readability Series 3 Sailing Watch in Yellow - Water Resistant Race Timer for Sailing **Brand:** optimum time **Price:** 717.24 DT **Availability:** ✅ In Stock ## Summary > ⛵ Master the race start with clarity and confidence! ## Quick Answers - **What is this?** Series 3 Sailing Watch in Yellow - Water Resistant Race Timer for Sailing by optimum time - **How much does it cost?** 717.24 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/48920285-series-3-sailing-watch-in-yellow-water-resistant-race-timer) ## Best For - optimum time enthusiasts ## Why This Product - Trusted optimum time brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Customizable Alerts:** Choose from multiple ISAF start sequences with audible or silent alarms tailored to your race style. - • **Race-Ready Precision:** Sync your countdown perfectly with the official race timer—never miss the start gun again. - • **Ultra-Visible Display:** Massive 16mm digits on a 38x20mm screen ensure you see every second clearly, even in rough conditions. - • **Versatile Mounting Options:** Wear it on your wrist or mount it on your boom/mast with the included bracket for ultimate convenience. - • **Built to Brave the Elements:** Shock-resistant ABS case and water resistance up to 5 ATM keep your watch safe in any sailing scenario. ## Overview The Optimum Time Series 3 Sailing Watch is a robust, water-resistant race timer designed specifically for sailing professionals. Featuring a large, easy-to-read digital display with 16mm digits, pre-programmed ISAF countdown sequences, and a versatile mounting system, it ensures precision timing on the water. Its shock-resistant ABS case and 5 ATM water resistance make it durable for demanding race conditions, while the adjustable viewing angle and elastic strap provide comfort and convenience for every sailor. ## Description Product Description Optimum Time Series 3 Sailing Watch If you need a robust timer, with an easy-to-read display, and exceptional sailing functionality, then this is the one for you. The OS3 can be strapped to a mast or comfortably worn over your sailing kit. The face rotates to give you the best viewing angle and the big buttons mean you won’t be left fumbling when the race is about to begin. The OS3 also features our essential sync button, which synchronises your countdown to the race control timer, ensuring you won’t miss the gun. Features 65 mm diameter ABS case 38 mm x 20 mm display Single row display with 16 mm digit height Adjustable viewing angle Boom/mast mount bracket supplied Adjustable elasticated strap Water-resistant to 5 ATM Shock Resistant Construction Electro-luminescent backlight feature Timer Functions Normal timekeeping mode (12 or 24 Hours) Pre-programmed 5,4,1,0 ISAF start sequences or 5 min, 3 min, and 1 min programs with audible alarms (can be silenced if preferred) Countdown & repeat or countdown and up Sync button for instant synchronisation if a gun is missed Count-up from zero Review: Highly recommended! - Highly recommended! Good quality, clear screen, waterproof, floats in the water, comfortable strap. Downsides are that friends at the sailing club say that they have had ones that have popped out of case and sunk, so they put tape from the edge of watch to hold it to the case - but I haven't found this problem and been getting perfect starts in the races since using this watch! A must get. Review: Best sailing watch - Definitely THE best sailing watch for racing dinghies/hobies etc. ## Features - 38mm x 20mm display size. Single row display. Massive 16mm digit height. Adjustable viewing angle. - 5,4,1,0 ISAF start sequence pre-programmed with audible warning signals (can be silenced if preferred). - Boom/Mast Mount Bracket Supplied. Elasticated Strap for Wrist or over sleeve wearing. - Countdown repeat option or Countdown and Up to show elapsed time for handicap races. - Large 65mm overall ABS case. Shock Resistant Construction. Water Resistant to 5 ATM. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0058GEDSG | | Age Range Description | Adult | | Band Colour | Yellow | | Band Material Type | Silicone | | Band Width | 20 Millimetres | | Best Sellers Rank | 26,872 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 1,315 in Sports Electronics & Gadgets | | Brand Name | Optimum Time | | Case Diameter | 65 Millimetres | | Case Material Type | Acrylonitrile Butadiene Styrene | | Case Thickness | 16 Millimetres | | Character | Fashion | | Clasp Type | Hook & Loop | | Closure Type | Buckle | | Country Of Origin | China | | Crystal | Mineral Glass | | Customer Reviews | 4.4 out of 5 stars 518 Reviews | | Dial Color | white | | Display | Digital | | Embellishment Feature | Stud | | Face Style | Classic | | Global Trade Identification Number | 05060269670081 | | Included Components | Elastic strap, Boom/mounting bracket for mat | | Item Shape | Round | | Item Type Name | Surfing-wetsuits | | Item Weight | 0.22 Pounds | | Manufacturer | Optimum Time | | Manufacturer Part Number | OS315 | | Manufacturer Warranty Description | 1 Year Warranty | | Model Name | OS315 | | Model Number | OS315 | | Power Source | Battery Powered | | Special Features | Glow In The Dark, Water Resistant | | Strap Type | elastic strap | | Style Name | strap | | Theme | Sports | | Watch Movement Type | Quartz | | Water Resistance Depth | 50 Metres | | Water Resistance Level | Water Resistant | ## Product Details - **Colour:** Yellow - **Brand:** Optimum Time - **Item weight:** 100 g - **Number of settings:** 5 - **Global Trade Identification Number:** 05060269670081 ## Images ![Series 3 Sailing Watch in Yellow - Water Resistant Race Timer for Sailing - Image 1](https://m.media-amazon.com/images/I/71DYWQL1O4L.jpg) ## Questions & Answers **Q: Description goes on about being a countdown timer. Maybe a silly question, but does it tell the actual time and is there a stopwatch and alarm too?** A: The timer has various countdown and standard timer features such as stopwatch and tells the time. At the the end of a countdown it can be set to start counting up as well. Mine doesn’t have an alarm but the countdown has quite loud audible beeps at the marker points. For all the features, search the internet for the instructions, they are out there. **Q: Does it have a backlight for use at night?** A: I apologize for the delay. unfortunately not! **Q: what is the width of the watch strap please? 20mm?** A: The srap on the Optimum Time Big Sailing watch is 30mm wide. **Q: can I set loop reminders at set times ? how many reminders can I set? is this waterproof IP68?** A: 30mm ## Customer Reviews ### ⭐⭐⭐⭐⭐ Highly recommended! *by B***L on 14 August 2014* Highly recommended! Good quality, clear screen, waterproof, floats in the water, comfortable strap. Downsides are that friends at the sailing club say that they have had ones that have popped out of case and sunk, so they put tape from the edge of watch to hold it to the case - but I haven't found this problem and been getting perfect starts in the races since using this watch! A must get. ### ⭐⭐⭐⭐⭐ Best sailing watch *by E***S on 20 November 2024* Definitely THE best sailing watch for racing dinghies/hobies etc. ### ⭐⭐⭐⭐⭐ This watch doesn’t work and I can’t return it *by L***Y on 11 April 2022* Poor service from Amazon making it virtually impossible to operate the guarantee ## Frequently Bought Together - Optimum Time Series 3 Sailing Watch in Yellow - Water Resistant Race Timer for Sailing - Optimist Racing: A Manual for sailors, parents & coaches (Sail to Win) - Schaefer Little Hawk MK1 Wind Indicator f/Dinghies Up to 6M --- ## 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/48920285-series-3-sailing-watch-in-yellow-water-resistant-race-timer](https://www.desertcart.tn/products/48920285-series-3-sailing-watch-in-yellow-water-resistant-race-timer) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-04*