Manufacturer Seiko Caliber Number 5R66 Base Caliber 5R65 In-House? Yes Movement Type Spring Drive (automatic, self-winding mechanical/electronic hybrid) Watch Category...
Flyer GMT
What are the main types of GMT watches? GMT watches can be quartz or mechanical in nature, but regardless of...
Recent Comments
My Swiss Military Hanowa Black Marlin diver's watch has this movement. Very accurate, upto +-2…
My Swiss Military Hanowa Dark Knight has this same movement. Accuracy is comparable to the…
Newer L899 calibres have a power reserve of 72h according to Longines
would it be a chance the cal 0950 is a downgrade version from Cal 0910?
Out of box 1ms Beat Error. +1 sec a day. Can't beat that.
Where can i order this cal eta 988.333?
To me exciting would be if they add Si2 escapement components (balance wheel, balance spring…