{"product_id":"optimum-time-series-15-sailing-watch-os1523","title":"Optimum Time Series 15 Sailing Watch - OS1523","description":"Optimum Time OS Series 15. 'The OS Series 15' is a water resistant watch which features time of day, calendar, alarm, count up (from zero) timer and a programmed countdown timer with alarm.\u003cbr\u003e\u003cbr\u003eThe Optimum timer is durable and easy to wear but packs all the functionality of our jumbo models. The super soft silicone strap keeps the mid-size display at just the angle you need. With a reinforced plastic case and stainless-steel buckle, this watch is made to last. The OS15 also features our essential sync button, which synchronises your countdown to the race control timer, ensuring you won’t miss the gun.\u003cbr\u003e\u003cstrong\u003e\u003cbr\u003eFeatures\u003c\/strong\u003e\u003cbr\u003e29mm diameter display size\u003cbr\u003e39mm viewing area\u003cbr\u003e12.5mm digit height\u003cbr\u003eReinforced plastic case\u003cbr\u003eSoft-touch silicone strap\u003cbr\u003eBlack-plated stainless-steel buckle\u003cbr\u003eWater resistant to 5 ATM\u003cbr\u003eShock resistant construction\u003cbr\u003eElectro-luminescent backlight feature\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eTimer Functions\u003c\/strong\u003e\u003cbr\u003eNormal timekeeping mode (12 or 24 hours)\u003cbr\u003eCountdown \u0026amp; repeat or countdown and up\u003cbr\u003ePre-programmed 5,4,1,0 ISAF start sequences, or 5 min, 3 min and 1 min programs with audible warning signals (can be silenced if preferred)\u003cbr\u003eSync button for instant synchronisation if a gun is missed\u003cbr\u003eCount-up from zero\u003cbr\u003e\u003cbr\u003eSKU: G1523","brand":"Boat books Australia","offers":[{"title":"Default Title","offer_id":52958422827372,"sku":"G1523","price":175.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/1920\/5996\/files\/Optimum-Time-Series-15-Sailing-Watch-OS1523.webp?v=1764839562","url":"https:\/\/www.boatbooks-aust.com.au\/products\/optimum-time-series-15-sailing-watch-os1523","provider":"Boat books Australia","version":"1.0","type":"link"}