




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