Family: SMA Openworked31 jewels52h power reserve28,800 vph (8 Hz)
The SMA03 is an automatic movement manufactured by Speake-Marin. Introduced in 2017, it features an integrated micro-rotor, 31 jewels, a 28,800 vph frequency, and a 52-hour power reserve. The caliber includes a small seconds complication positioned at 1:30. It remains in production and powers the Academic and Ripples collections.
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
31 jewels
Power Reserve
52h
Frequency
28,800 vph (8 Hz)
Display Type
Analog
Rotor Type
Micro Rotor
Winding
Automatic (Bidirectional)
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2017CALIBER FAMILY
SMA OpenworkedALSO KNOWN AS
sma03-tsma03-td