Definitely interesting design Definitely interesting design. But when using it's disappointing. The watch buckle adjusts poorly, squeals like an old bicycle chain, and gives you a constant discomfort by pulling out your hand hair.

The standard of watch The standard of watch, battery life, customer service - all poor. THE BIGGEST ISSUE IS BATTERY LIFE - IT USED UP NEARLY 75% OF BATTERY POWER JUST OVERNIGHT WHILST SLEEPING. I think this is my 2nd or 3rd replacement and still having issues with charging points going rusty green - plus the charging points are hot when you put on wrist. Look elsewhere if you want to buy a watch - Suunto or Garmin for waterproof outside stuff.

no tracking info I ordered a 4 days ago and got my order confirmation right away and waited 4 days for my tracking info until I decided enough was enough and called the number provided on the website. talked to a representative and turns out something happen and they are having a hard time sending out the tracking info but she manually sent me my tracking info via email. still haven't received my package but I am now more excited than ever to receive this watch that caused me all this trouble.... based on other reviews and my personal experience, if you do not receive your tracking info simply give them a call

Can't see the hands The hands on The Sentry are hollow, sort of like wire frames, not solid. So it's almost impossible to see them (so to see where they are pointing). In bright daylight or bright artificial light, you have to move your arm/wrist around until the light catches the thin-framed hands. In low light, fine. So think carefully, if you want to tell the time instantly, you won't be able to most of the (bright) time. All but renders the watch useless, or at best very frustrating. Silly design.

Horrible product!!!! Horrible product. Tide watch died in less than a year. Was not repairable according to Nixon who I chased for 2.5 months for an answer. Customer service blamed me for their faulty product. Buyer beware…please do not fall victim to this company who peddles poorly crafted product, than offers no solution to replace or repair. Shame on Nixon.