I owned a sbdb013 for a while the time keeping was out of this world.
I did worry though what would happen come service time?
Perhaps our lovely service chaps on here can look at them. The only bug bear would be regarding spare movement parts.
I have been wearing the Snowflake 18/7 for the last 7 days and having just checked the time keeping against the atomic clock it is showing it is running a tad over 1 second fast over the 7 days or +0.16SPD, is that acceptable, should I try and live with it ? :) With the watch being less than...