"Omega Speedmaster Automatic Mark 4.5 -1977-"
Omega Speedmaster Mark 4.5 circa 1977, Vintage stainless steel chronograph ref.176.0012 equipped with the caliber 1045 base lemania 5100 day-date function, 24-hour day/night indication, self-winding movement. Black dial 3 registers, tachymeter scale graduated to 500 UPH, originally luminescent indexes and hands. Polished/brushed 2-piece tonneau case, screwed and signed back. The mechanism and the case are signed and numbered, dimensions: 42 mm (excluding crown) x 45 mm (including lugs). Item in superb condition, serviced in our workshop. Service: 05/2025, 2-year warranty. 
Le Magazine de PROANTIC
TRÉSORS Magazine
Rivista Artiquariato