For sale is a Seiko SBDK001 DH33 NX Marine Master Diving Computer.Approximate measurements:Case diameter: 55.5mm (without crown)Lug to lug: 53.5mmThickness: 17.0mmThis watch is in used condition and comes as pictured on the original rubber strap. This piece comes with manual only, no other accessories included. Buttons are all functional. Features have not been tested. Should be pressure tested if planning to wear around water.Carefully review all product photos prior to purchase.