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Omega 1923 — Cal. 26.5 SOB
This 1923 Omega captures the quiet elegance of early wristwatch design, with a cushion-shaped steel case and an original antique porcelain-enamel dial that speak directly to its era. The compact proportions and clear Arabic numerals reflect the transitional aesthetic from pocket to wrist. At its heart sits the manually wound Caliber 26.5 SOB, a 15-jewel movement representing traditional Swiss construction and dependable timekeeping. Recently serviced (06-05-2026), the watch presents a historically authentic wrist presence that appeals to collectors who value period character, refined construction, and everyday wearability.
Watch dossier
Important details, without the clutter.
01Specifications+
- Brand / model
- Omega Omega
- Estimated production
- 1923
- Case material
- Steel
- Case diameter
- 31 mm
- Lug-to-lug
- 31 mm
- Thickness
- 8 mm
- Dial
- original
- Crystal
- acrylic
- Crown
- Period correct
- Strap / bracelet
- calf leather strap
- Movement
- manual
- Caliber
- 26.5 SOB
- Jewels
- 15
- Movement serial
- 689••••
02Service & provenance+
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
Everything supplied with this example.
Store invoice
EVW service certificate
Customer confidence
5.0/51 verified product reviews