Service: Eterna Dress Watch with In-house 520U Movement

This week an Eterna dress watch that’s part of a batch from Poland. The movement is the Eterna 520U with 15 jewels and a hidden ratchet wheel and crown wheel. It’s Eterna’s [...]


Service: Eterna Dress Watch with In-house 905 Movement

This is an Eterna dress watch that found its way onto my workbench. The serial number is 2892981 which places this watch in 1941. The movement is the Eterna 905 movement. Bestfit tells me that [...]


How to Choose the Right Mainspring

During a service, there are two options for the mainspring. You can either reuse the old one (after you’ve cleaned and lubricated it) or you can replace it with a new one. So, a mainspring [...]


Service: Omega Dress Watch with 625 Movement

This time an Omega dress watch on the bench. It’s powered by the Omega 625 movement. It was presented to a Mr. Ray H. Cline by the Edison Institute to commemorate his 35 years of service. [...]


Service: Nelka with AS 984 Movement

This is another one of those obscure watches from the 40s. According to Mikrolisk, Nelka is a Swiss brand from Biel but I’d never heard of it. The movement is the AS 984. It did run but it [...]