Omega Classic Jumbo Oversize 2603-12 Rare

Brand Omega
Model Classic
Reference number : 2603
Movement Manual reassembly
Caliber 266
Housing : Steel
Diameter : 37.5 x 45 mm
Waterproof Not waterproof
Bezel material : Steel
Glass Plexiglas
Dial : Money
Dial numbers Arabs
Function : Small second

Bracelet Textiles
Loop : Barbed buckle
Buckle material : Steel

Year of manufacture 1952
State Used (Satisfactory)

Last revision July 18, 2025
Review performed internally

Contents delivered No original box, certificate of authenticity

Discover this superb Omega Jumbo Oversize reference 2603-12 dating from 1952, a rare and sought-after model for vintage watch enthusiasts. With its large 38mm case—unusual for the time—this watch perfectly embodies the elegance of the 1950s in a contemporary format that is highly valued today.

Its original dial displays a magnificent, warm, and even natural patina, attesting to its authenticity and vintage charm. The dauphine hands and applied steel hour markers add a beautiful touch of balance and understated elegance to the overall design.

The hand-wound mechanical movement is an Omega caliber 266, renowned for its reliability. It has been fully serviced by our workshop and comes with a one-year warranty. The watch is fitted with a new fabric (NATO) strap, which enhances its sporty and casual yet elegant look.

A beautiful collector's item, both understated, rare and full of character, perfect for lovers of historical watches with an untarnished soul.