OMEGA Speedmaster Professional From the Moon to
Mars - Reference 3577.50.00 The legendary "Moon Watch" flight-qualified by NASA
for manned spaceflight missions in 1965 and the only watch
ever to be worn on the moon. Its timeless design remains
ever-popular: stainless steel case and bracelet, OMEGA
calibre 1861 mechanical hand-winding chronograph movement
with hour and minute display, continuous small seconds hand,
central chronograph seconds hand, 30 minute and 12 hour
totalisers, and a power reserve of 45 hours. The Speedmaster
Professional has luminous hands and hour markers (Super
Luminova), a hesalite crystal as used on the original model
and a screw-in case-back ensuring water resistance to 50
metres. The tachymeter scale on the black aluminium ring of
the steel bezel allows calculation of a vehicle's speed, a
machine's hourly production etc. The three counters on the
dial bear depictions of the Earth, the Moon and Mars and the
dial bears the inscription "From the Moon to Mars" between 5
o'clock and 3 o'clock. The same inscription is found on the
case back, which also bears a sequential number.
" Information courtesy Jorge Merino.