OMEGA SPEEDMASTER PROFESSIONAL MOONWATCH HESALITE

Retail: Discontinued

Model: 3750.50.00

Condition: Gently pre-owned and in nice condition, please note: there are small scratches on the metal bezel at the 11 o’clock position (see images).

Functions: Hours, minutes, small seconds, chronograph.

Movement: Manual winding, Caliber 1861, a direct descendant of the legendary Caliber 321 used during the Apollo era, 21,600 vph frequency, ~48-hour power reserve, ensuring maximum reliability under extreme conditions.

Dial: Matte black dial with luminous tritium or Super-LumiNova hour markers and hands, tree-register layout: 30-minute counter at 3 o’clock, 12-hour counter at 6 o’clock, and running seconds at 9 o’clock, white printed minute/seconds track and central chronograph seconds hand for precision timing.

Case: Stainless steel case with twisted lugs and brushed/polished finishing, diameter 42mm, height 14.5mm, screw-in solid stainless steel caseback, engraved with the Omega Seahorse emblem and “Flight-Qualified by NASA for All Manned Space Missions – The First Watch Worn on the Moon.” water resistance 100m/330ft.

Bezel: Fixed bezel, with matte black aluminum tachymetric ring insert.

Crystal: HESALITE crystal with Omega logo in center.

Band: Stainless steel bracelet 1998/849 with brushed outer links and polished center edges, deployant buckle.