It's a unique piece it keeps great time.. You have to wind the watch at least every 12 hours or so... You softly pull the crown out, slowly and carefully wine till you feel it coming to a slight tension and then you stop.... One winding will last up an excess of 24 hours or more it's a great piece for your collection if you're looking for something rare and different I've only worn it at home...It's NOT WATERPROOF whatsoever for the horologist enthusiast.. This is a great piece for your collection. This watch is on the medium to larger side. The item "Pocket watch movement converted into wrist watch" is in sale since Friday, November 5, 2021. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Watches\Pocket Watches". The seller is "leoly-59" and is located in Austin, Texas. This item can be shipped to United States.