A Closer Look at the Omega Ref. 2639
The Omega Ref. 2639 is one of those vintage models that gets more interesting the longer you look. Produced in the early 1950s, it offers the perfect balance between classic design and everyday wearability. The 36 mm stainless steel case feels right at home on the wrist—understated, not oversized—with a 43 mm lug-to-lug span and a slim 10 mm profile that fits easily under a cuff.
What sets this specific example apart is its dial. Originally a lighter tone, it has developed a stunning golden gradient patina over the years—darker at the top edge and lighter toward the center, with warm tones that shift in different light. It’s an effect you can’t fake or recreate. Combined with sharp alpha hands, Arabic numerals, and a wide sub-seconds register, the whole layout feels elegant, lived-in, and quietly confident.
Inside the Case: The Caliber 266
Powering the watch is the Omega Caliber 266, a hand-wound movement from Omega’s legendary 30mm family. Built for reliability and longevity, it features 17 jewels, antimagnetic protection, and a 45-hour power reserve. It’s smooth to wind, easy to service, and widely respected among collectors for its simplicity and strength.
The 2639 originally launched in 1949 and was sold throughout the early ’50s. Earlier versions came with Caliber 265; later models like this one were upgraded to the 266—making it a slightly more refined variant within the reference family.
Rarity & Dial Variants of Omega 2639
At a glance, the 2639 may seem common—many appear in online listings. But that’s only half the story. The reference was produced with dozens of dial variations, including different numeral styles, logo executions, painted or applied markers, and color schemes. Very few have aged as beautifully as this one.
This specific example—with its natural patina, Arabic numerals, and concentric sub-seconds—stands out not because it’s rare in production numbers, but because it’s rare in condition and originality. Most examples today have been redialed or heavily polished. This one hasn’t.
Everyday Suitability
The 2639 wears as well today as it did 70 years ago. At 36 mm, it’s large enough to suit modern tastes but small enough to stay true to its era. The drilled lugs make strap changes easy, and the screw-down case back offers basic moisture protection—originally rated to 30 meters. Pair it with leather, canvas, or a beads-of-rice bracelet and you’re good to go.
Is the Omega 2639 Worth It?
Yes—without question.
The Omega Ref. 2639 offers an exceptional combination of mid-century design, a legendary movement, and accessible vintage charm. Its versatility, historical value, and mechanical reliability make it an outstanding entry point into vintage Omega, or a strong addition to any seasoned collection. Prices remain reasonable, especially compared to later Seamasters or Constellations, and well-preserved examples like this one—with honest patina and original parts—are becoming harder to find.
If you value timeless proportions, quiet character, and a bit of history on your wrist, the 2639 delivers more than its price suggests.