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The Omega Speedmaster Split Seconds ref. 3540.50 is a rare and innovative take on the Speedmaster line, produced for only a short run between 1999 and 2002. Housed in a robust 42mm stainless steel case reminiscent of the X-33, it is powered by Omega’s caliber 3600, based on the Valjoux 7750 and modified for the rattrapante (split-seconds) function. This complication allows the wearer to stop one chronograph hand independently to time laps or different finishing intervals while the main hand continues running. With fewer than 5,000 estimated examples produced, it remains among the more uncommon modern Speedmasters while maintaining an excellent value proposition.
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This watch is in great overall condition, showing typical signs of normal wear including scratches and dings. Some scuffing is present around the edge of the bezel, as shown in the photos. The movement is running properly with all functions operating as intended, though the service history is unknown. Additional photos are available on request.
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This watch comes as a complete set with its original box, operating instructions, hangtag, chronometer warranty, and international warranty card. Note that the material of the box shows clear signs of deterioration.
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Brand: Omega
Model: Speedmaster
Reference: 3540.50
Year: 1999 (approximation)
Case size: 42.25mm
Lug-to-lug: 49mm
Case thickness: 16mm
Case material: Stainless steel
Dial color: Black carbon fiber
Movement: Omega calibre 3600
Functions: Split seconds chronograph
Water resistance: 100 meters (vintage watches should be tested before use in water)
Strap/bracelet: Stainless steel with push button deployant clasp
Wrist size: 18.5cm
Lug width: 20mm