accuracy

Hello all, I recently purchase a pre owned samurai from eBay. I am happy with the condition and the deal I got, however I noticed the watch is gaining almost 2 minutes a day. I am trying to decide if I should return it to the seller, or try to address the problem. I am not sure what...

Sometimes one can be lucky with a new watch and the regulation is perfect. A Seiko 5 SNKE 51 is one such example which would hold within a second a day for several days, and its biggest deviation in any one day is 5 seconds. I expected no worse from my SARB033 R615 movement, but it was worse...

Hi everyone, I'm new here, but have enjoyed owning a Citizen Promaster NY0040 automatic for several years. I would like to share some stuff I learned while trying to improve the accuracy of the watch. I'm curious to know what your experiences are with this. When I bought it, the Citizen was...