Omega 310.30.42.50.01.001 (Pre-owned - Good) — USD 6,195 on eBay

The Omega Professional reference 310.30.42.50.01.001 represents a manual-wind offering within the brand's Professional collection. This particular reference is distinguished by its black dial configuration and stainless steel construction, positioning it as a traditional mechanical timepiece within the series lineup. The 42mm stainless steel case houses a manual-wind movement and features a black dial beneath a hesalite crystal. The watch incorporates a tachymeter bezel and offers 50 meters of water resistance. The hesalite crystal provides a vintage-inspired aesthetic compared to sapphire alternatives found elsewhere in contemporary collections. This reference appeals to collectors who prefer manual-wind movements and appreciate the tactile engagement of daily winding. The combination of hesalite crystal, black dial, and tachymeter bezel creates a configuration that suits enthusiasts seeking traditional mechanical watchmaking elements. The 42mm case size places it within contemporary sizing preferences while maintaining the manual-wind complication.