For sale: Optima men's watch opt-0124 There are signs of use, I've had it for a year and a half. Selling to the highest bidder. Model: OSC451-SL-3 Brand origin: Switzerland 1923 AD Country of manufacture: Switzerland Category: Men Case size: 41mm Case thickness: 11mm Case type: Stainless steel Strap type: Leather Color: Black Movement: Quartz Glass type: Mineral Water resistance: 50 meters Watch Size: 42mm Material: Stainless Steel Movement Type: Quartz Features: Water Resistant