Oris Artelier 13-Diamonds Automatic Women’s Watch # 56175484091LS. Silver round guilloche dial set with 13 diamonds indices. Stainless steel polished (sides) and fine-brushed (sides) case with see-through crystal skeleton case back. Black patent leather strap with pin buckle. Scratch-proof curved sapphire crystal with anti-reflective treatment. Date calendar function. Power-reserve 38 hours. Mechanical automatic movement. Water resistant to 30m. Approximate case size: 31mm. Approximate case thickness: 10mm. Model Number: 561 7548 40 91 LS 561-7548-40-91-LS.