Omega Calatrava Style

Omega Ref. 2640-8SC Manual Winding Cal. 283 · Calatrava Style · Explorer Dial · Circa 1950s The 1950s was a remarkable era for Omega, when the brand produced dress watches that balanced elegance, restraint, and everyday wearability with exceptional confidence. Ref. 2640-8SC reflects that period beautifully, combining the timeless proportions of a Calatrava style case with a rarer dial configuration that gives the watch a much stronger character than a standard mid-century dress Omega. What makes this example especially compelling is its Explorer style dial layout, featuring the signature 12-3-6-9 numeral arrangement paired with slim applied markers that create a clean yet highly distinctive look. The warm tone of the dial, dauphine hands, and signed original Omega plexi all come together to deliver the kind of honest vintage presence collectors continue to appreciate. It is a configuration that feels understated at first glance, but increasingly special the longer you look at it. Measuring 36mm without crown and 38mm with crown, with a 44mm lug to lug, this Ref. 2640-8SC wears like a true jumbo vintage Omega by 1950s standards. Inside beats the manual winding Calibre 283, a movement from Omega’s golden period that completes the watch’s strong mid century appeal. With its balanced case design, uncommon dial layout, and elegant vintage proportions, this is the kind of Omega that feels equally rewarding for both collecting and daily enjoyment. Specifications Brand: Omega Reference: 2640-8SC Style: Calatrava Style Dial: Explorer Dial Movement: Manual Winding, Calibre 283 Crystal: Original Plexi with Omega Signed Case Material: Stainless Steel Case Size: 36mm (without crown) / 38mm (with crown) Lug to Lug: 44mm Lug Width: 18mm Thickness: 12mm Production Year: Circa 1950s Inclusions: Watch Only + Tanka Packaging