This is a very rare example of the 3570.50 Speedmaster Professional Moonwatch with tritium dial and yellow cal. 861.
 
This configuration was only produced 1996-1997 with movement numbers 48.339.xxx - 48.385.xxx. It has been freshly serviced by an independent watchmaker and comes with an Omega alligator leather strap with pin buckle.
 
Model: Speedmaster Professional Moonwatch
Year: 1997
Reference: 3570.50.00
Serial Number: 48348964
Case condition (1-10): Very nice original steel case in very good condition with signs of use (7)
Movement: Very nice original Omega cal. 861 chronograph movement based on the Lemania cal. 1873 in very good working condition, serviced in 2024 by an independent watchmaker
Winding: manual
Dial: Beautiful original "T-Swiss Made-T" chronograph dial with warm yellow tritium indices and nicely matching original hands
Lume: As you would expect the remaining lume is very weak and disappears after a few second
Bezel: Very good original tachymetre bezel with no major signs of wear
Crystal: Original hesalite crystal with a few superficial signs of use
Strap: Gently worn Omega alligator strap from June 2024 with Omega steel pin buckle (original invoice for CHF 420.00)
Diameter: 42mm
Serviced: Freshly serviced in 2024 by independant watchmaker in Berne
Accessoires: Leather pouch
Box & Papers: None