Sjoo Sandstrom caliber SS G4

Sjöö Sandström Caliber SS G4

Sjoo Sandstrom caliber SS G4

BrandSjöö Sandström
ManufacturerETA / Valjoux
Caliber NumberSS G4
Base CaliberETA/Valjoux 7754 (top grade)
Movement TypeAutomatic
Power Reserve44 hours
Vibrations Per Hour28,800
Shock SystemIncabloc
FeaturesHours, minutes, small seconds, central chronograph seconds, day, second and third time-zone
Country of ManufactureSwitzerland
Known ModelsUTC Extreme

The pictured example of the caliber SS G4 from a Sjöö Sandström which is a modified ETA 7754. This movement was found in this Sjöö Sandström UTC Extreme II. This movement has been custom decorated by the manufacturer.

All our timepieces are assembled by hand, one by one, at the Sjöö Sandström workshop in Stockholm.

Please share your experiences and thoughts about this Sjöö Sandström version of the ETA/Valjoux caliber 7754 in the comments section below…

Venus Caliber 178
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