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A Generous Mid-Century Omega
Vintage Omega reference 2505-5 dates to circa 1947 and stands apart through its unusually expansive 38 mm steel case for a mid-1940s time-only watch. The original silver dial, Arabic numerals and subsidiary seconds create an assured, highly legible composition, while the slim profile preserves an elegant wrist presence. Beneath the dial, Omega’s hand-wound calibre 265 belongs to the brand’s long-running 30 mm movement family. For today’s collector, it offers a compelling balance of early post-war design, generous proportions and traditional manual-wind mechanics.
Watch dossier
Important details, without the clutter.
01Specifications+
- Brand / model
- Omega Jumbo
- Reference
- 2505-5
- Estimated production
- circa 1947
- Case material
- stainless steel
- Case diameter
- 38 mm
- Lug-to-lug
- 47 mm
- Thickness
- 9 mm
- Dial
- original
- Crystal
- acrylic
- Crown
- signed
- Strap / bracelet
- Leather Strap; Signed buckle
- Movement
- manual
- Caliber
- 265
- Jewels
- 15
- Movement serial
- 1177****
- Water resistance
- Splash resistant only; not suitable for swimming or immersion
02Service & provenance+
Last serviced: October 9, 2026
The service includes the following operations: • Disassembly of the watch • Movement overhaul: dismantling • Cleaning, reassembly and lubrication • Use of Moebius synthetic oils • Ultrasonic cleaning of the case • Reassembly of the case and the watch • Final technical and aesthetic checks
03Delivery & returns+
Current store policies apply to this purchase.
Included with the watch