SISTEM51 updates its innovative reputation with PETITE SECONDE BLACK (SY23S400)! This mechanical watch has a small seconds sub-dial at 6 o’clock. There is a date window on the sun-brushed black dial as well. A black leather strap and Swatch Appliques complete this elegant design.
SY23S400
SISTEM51 updates its innovative reputation with PETITE SECONDE BLACK (SY23S400)! This mechanical watch has a small seconds sub-dial at 6 o’clock. There is a date window on the sun-brushed black dial as well. A black leather strap and Swatch Appliques complete this elegant design.
SY23S400


SISTEM51: Our signature mechanical movement
At the heart of our design philosophy, SISTEM51 is the only movement in the world comprising just 51 parts and an entirely automated production process. Boasting a 90-hour power reserve and exceptional anti-magnetic qualities, this Swiss-made self-winding mechanical marvel revolutionized the world of automatic watches.