Speedmaster Automatic Mark 4.5



Iconeek is proud to introduce here a nice Omega Speedmaster Automatic chronograph, Ref. 176.0012, aka « Mark 4.5 ». The model is a fine, self-winding, water-resistant, tonneau shaped, stainless steel wristwatch with day, date, round button chronograph, 12-hour register, central minute recorder, tachymeter, the 24 hours with night/day indication, a stainless steel Omega bracelet with deployant clasp.

The model comes with a three body construction: a large polished and brushed tonneau-shaped stainless steel frame, holding the bracelet, in which is snap a round shaped stainless steel case with mineral glass, round chronograph pushers in the band, screwed case back with the embossed Seamaster logo. Inside case back engraved « Brevet 508925 ».

Under the flat mineral crystal glass, with reverse-painted white graduation on black ring tachymeter scale to 500UPH, we find a matte black dial with inner white Arabic five minutes, outer painted luminous Baton indexes, outermost minute/fifth second scale, three subsidiary dials for the constant second a 9,  the 12-hour register at 6, the 24 hours with night/day indication at 12, 60-minute register by means of a central white jet hand, apertures for the day (in french) and date at 3, luminous white baton hands.

Under the screwed case back, we discover an Omega caliber 1045, copper colored, with 17 jewels, straight line lever escapement, monometallic 3-arms balance, shock-absorbers, self-compensating flat balance spring, micrometer regulator. Dial, case and movement are signed. The model comes with a stainless Omega bracelet with deployant clasp.

A nice and affordable « complicated » Speedmaster !

Condition: 8.5/10, in very good overall condition, all function are working.