Vintage Omega Speedmaster Professional “Moonwatch” – Ref. 145.022-74 ST (circa 1974) An iconic and highly collectible Omega Speedmaster Professional Moonwatch, reference 145.022-74 ST, dating from approximately 1974. This legendary chronograph is part of the last generation of Speedmasters powered by the celebrated caliber 861, continuing the lineage of the Moonwatch worn during NASA missions. General Information Brand: Omega Model: Speedmaster Professional “Moonwatch” Reference: 145.022-74 ST Year: circa 1974 Country of manufacture: Switzerland Movement Caliber: Omega 861 Type: Manual-wind chronograph Jewels: 17 Signature: Signed Omega / Swiss Movement serial number: 27,715,339 Condition: Very good, running accurately and functioning as intended The caliber 861, introduced in 1968, is renowned for its robustness and reliability and is historically significant as the movement that succeeded the caliber 321 in NASA-qualified Speedmasters. Case & Crystal Case material: Stainless steel Caseback: Solid, with internal Omega signature and reference number Crown: Original, signed Omega Crystal: Acrylic (hesalite), correct for the model Bezel: Black tachymeter bezel, characteristic of the Speedmaster Professional Dial & Hands Dial: Original black dial Hour markers: Applied white baton markers Hands: Original white hands Condition: Excellent vintage condition, clean and well preserved with no significant flaws The dial retains its original configuration, offering strong contrast and excellent legibility—hallmarks of the Speedmaster’s professional tool-watch heritage. Bracelet Type: Original Omega stainless steel bracelet Length: Approx. 20 cm including the watch Condition: Very good, consistent with age Functions Chronograph with central seconds Small seconds sub-dial 30-minute and 12-hour counters Tachymeter scale on bezel Condition Summary Dial: Original and very well preserved Case: No significant signs of wear; sharp and honest condition Movement: Very good condition, running accurately Overall: Excellent vintage example of a classic Moonwatch This Omega Speedmaster Professional ref. 145.022-74 ST is a superb opportunity to acquire a historically important and increasingly sought-after Moonwatch, highly desirable among collectors and enthusiasts alike. DIMENSIONS: Diameter without crown: 42 mm Diameter with crown: 43.5 mm Width from lug to lug (length): 48.5 mm Thickness: 16 mm Lug width (strap): 20 mm Important information for buyers outside the European Union For purchases outside the EU, please note that any applicable customs duties, import taxes, and other fees in the relevant country are the sole responsibility of the buyer. Return shipping costs, including all associated fees, are the responsibility of the buyer. Therefore, please consider your purchase carefully. Thank you for your understanding. Tracked and insured shipping 30 EUR ( European Union ) 50 EUR ( Worldwide )