Brand: Omega Model: Speedmaster Color: Silver Material: Steel Inclusions: Guarantee card, Inner box, Manual, Outer box, Pictogram Dimensions: 40mm / 1.57'' Serial number: 81665951 Country of origin: Switzerland Assured Product Authenticity: This product is supplied by a renowned and trusted partner. With this purchase, you are preserving iconic craftsmanship, celebrating heritage, and embracing the beauty of conscious shopping.