Invention of the Ball Bearing Rotor In 1948, Eterna announced a friction-reducing ball-bearing mounted rotor system as part of the...
Ball Bearing Rotor
Manufacturer ETA / Valjoux Caliber Number 7753 Movement Type Automatic, self-winding mechanical, chronograph Lignes 13.25”’ Diameter 30mm Height 7.9mm Jewel...
Manufacturer Montblanc Caliber Number 4810 502 Base Caliber ETA / Valjoux 7753 Movement Type Automatic Lignes 13 1/4”’ Diameter 30mm...
Brand Mido Caliber Number 60 Base Caliber ETA A05.H31 Movement Type Automatic Jewels 27 Power Reserve 60 hours Lignes 13.25”’...
Manufacturer Montblanc Caliber Number 4810 503 Base Caliber ETA / Valjoux 7754 Movement Type Automatic, chronograph Lignes 13.25” Diameter 30mm...
Manufacturer ETA/Valjoux Caliber Number A05.H31 Base Caliber ETA 7753 Movement Type Automatic, self-winding mechanical, chronograph Lignes 13.25”’ Diameter 30mm Height...
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…