Omega Seamaster 300 Limited Edition 1957 Trilogy Watch (220.127.116.11.01.001). Caliber 8806 Automatic Co-Axial movement with central seconds hand. Black dial, index hour markers and Arabic numerals at 12, 3, 6 and 9 o`clock position. Black ceramic bezel stamped with diving scale in Arabic numerals set on a 39mm stainless steel case. Sapphire crystal on top and exhibition case back. Water resistant to 300M. Stainless steel bracelet. Limited edition to 3,557 pieces worldwide.