Hands-on review & photos of the Sinn Dual Strap System for both mechanical & smart watches on the same wrist: images, price, specs, analysis.
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Sinn Dual Strap System Allows Apple Watch & Sinn Watch On The Same Wrist
So, this Dual Strap System lets you wear a traditional SINN watch AND your Apple Watch - PhoneArena
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Sinn Dual Strap System Allows Apple Watch & Sinn Watch On The Same Wrist
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