1952 Omega Sub-Second “Calatrava” • Reference 2750 • Calibre 266 in working condition, keeping time and no history of service (a service is advised since the last owner informed that the watch was stored for a few years) • Stainless Steel Case Back with approximately 35mm without crown, 37mm with crown 43.6mm lug to lug • Generic strap and buckle • Generic crown and glass • No box or papers