OMEGA REF. ST 145.0022
SPEEDMASTER MOON PHASE
Omega, "Speedmaster Professional" No. 45249818,
Ref. ST 145. 0022 / 345. 0022. Sold in Hong Kong in 1982.
Fine, asymmetric, water-resistant, stainless steel wristwatch with round
button chronograph, moon phases, date, registers, tachometer and a
stainless steel Omega bracelet and deployant clasp.
Three-body, polished and brushed, lyre lugs, black bezel with
tachometer scale to 500 UPH, screw-down case back with Speedmaster
logo and engraved "Omega, the First Watch, Worn on the Moon",
antimagnetic protection cap.
Black with luminous painted baton indexes, outer 1/5th seconds
track, subsidiary dials for the seconds, the 12-hour and 30-minute
registers, moon phases. Luminous white baton hands.
Cal. 861, copper-colored, 17 jewels, straight-line lever escapement,
monometallic balance, shock absorber, self compensating flat balance