Vacheron Constantin Overseas Chronograph Ref. 49140 is a refined yet sporty luxury timepiece blending haute horlogerie with robust functionality. It features a 40.0 mm stainless steel case (also available in steel & yellow-gold configuration) that houses the automatic Calibre 1137 — a reliable chronograph movement delivering smooth performance. The dial is typically black (or dark military tone) with contrasting chronograph subdials and a date window, lending the watch a purposeful and legible instrument-watch aesthetic. A sapphire crystal protects the dial, while the watch is rated water-resistant to 15 ATM (~150 m), ensuring durability even in demanding conditions. Design-wise, the Overseas Chronograph 49140 balances sportiness and elegance: its robust case and integrated bracelet give it a substantial wrist presence, while the refined finishing and timeless proportions make it versatile enough for both casual and formal settings. The combination of a deep black dial, precise chronograph functionality, and durable construction makes this reference a standout for collectors seeking a luxury chronograph with character, heritage and everyday practicality.