• Model Number: BY-5121
• Movement: Automatic self-winding mechanical movement (no battery required)
• Case Material: 316 stainless steel (approx. 45 mm diameter, 15 mm thickness)
• Band: 24 mm brown genuine leather strap with a buckle clasp
• Crystal: Scratch-resistant mineral/Hardlex glass
• Water Resistance: 30 meters / 3 ATM (daily water resistance)