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May 08, 2025 2 min read
In this Article, we have a look at the World's most popular sailing watch, the Optimum Time Series 3 Big Sailing Watch.
The Optimum Time Series 3 Sailing Watch can be seen being used by sailors all across the World.
We unbox this sailing watch, talk through what's included and show you the key settings and how to adjust your sailing watch.
Big Easy to Read Display
Water Resistant to 5 ATM
Shock Resistant Construction
5,4,1,0 ISAF/World Sailing start sequence pre-programmed with audible warning signals (can be silenced if preferred)
The Optimum Time OS series 3 watches are the market leaders for dinghy sailors across the World.
The large face on the watch allows the sailor to easily see across the boat and count down to the race start. With many functions available this sailing watch is the essential tool for any keen racer.
This Optimum Time Sailing Watch can be mounted to the boat, strapped to the boom or worn on your wrist so you can always see the race countdown.
Buy your OS series 3 sailing watch today and choose from a great range of colours.
Nice-looking bung, all in one piece. No more looking for the bung when you have let it drain from the last time, and bought this to create a second drain socket in my Solo.
They have good paddings
It fits exactly fine to laser pico. Straps are very usefull. Hole at the back helps you store your upper mast easily under the cover. Looks very durable. Delivery was very fast. Thanks
Product as described and very prompt delivery
Usual harken good stuff
Easy to find, quick dispatch, on the boat now.
Great product, safely packaged, delivered on time, at a competitive price. One more thing - the person on the end of the phone is an actual person, informative, helpful, knowledgeable and pleasant. What more could you ask for.
Fantastic price for first class quality
They work well
Fantastic product. Toasty feel
Really good selection of rope sizes, delivered speedily. Great idea to put the offcuts to good use. Caused a few laughs when people realised what I'd ordered ;-)
The sales team were quick responding to our questions, dispatched to us promptly, and the product is a perfect replacement for our old tiller which ended up at the bottom of a lake!
Love the fact they don’t leak.
You do need to squeeze to get liquid out. Which is so much better. Don’t lose liquid etc.
nice size and robust
Great for when it’s not too cold. But is windy and wet. Needing to stay dry on top.
Very easy to install. May need some additional sealing for complete water-tightness.
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