




                  OSL489 – 2025 Optima Collection 
                
Model: OSL489
 Dial: Rectangular case.
 Case size: 20mm
 Case material: Stainless steel
 Glass: Mineral Crystal
 Movement: Swiss Made RONDA Normtech CALIBER 762
 Bracelet/strap: Stainless steel metal band, with butterfly clasp, wide 12mm.
 WR: 30 m (3 ATM / 100 ft)
 Functions: Center hour, minute, second at center.
Pairs well with

OSL489 – 2025 Optima Collection




