Invicta Reserve Specialty Subaqua 5216 Invicta Reserve Specialty Subaqua Chronograph Watch Model: 5216 Quartz, Swiss Caliber: ETA 251.272 Case: Stainless steel, grade 316L, 48 parts 52mm (about 55mm including crown) Thickness: 20mm Weight: 330g Retail Price: $2,900