




                  OSM488-SL – 2025 Optima Collection 
                
 Model: OSM488-SL
 Dial: Round dial.
 Case size: 40mm
 Case material: Stainless steel
 Glass: Sapphire Crystal
 Movement: Swiss Made RONDA powertech CALIBER 515
 Bracelet/strap: Genuine leather strap with butterfly clasp, 20mm wide.
 WR: 50 m (5 ATM / 169 ft)
 Functions: Center hours, minutes and seconds.
Pairs well with

OSM488-SL – 2025 Optima Collection




