Omega Jumbo 2505 manual winding wristwatch
Record status
Individual type · partial
Period
1954
Maker / issuer
OmegaThis Omega Jumbo, identified as model 2505, is a manual winding wristwatch dated to 1954. The stainless steel case measures 38.5mm in diameter excluding the crown, with an overall length of 47mm including the lugs.
The round dial is finished with a gold Arabic numeral at 12 o'clock, complemented by baton and dot markers for the remaining hours, and features gold Losange hands. A sub-second register is positioned at 6 o'clock. The internal movement is the manual winding Caliber Omega 266, which is stated to operate at 18,000 bph with a 45-hour power reserve. The movement is numbered 14153013. The case back is inscribed with "Acier Inoxydable – Omega Watch Co. – Fab Suisse" and the reference number 2505-30.
The watch is currently fitted with a brown Omega strap and a stainless steel Omega buckle.
Evidence at a glance
- Linked sources
- 1
- Photograph views
- 1
- Catalogue references
- 0
Counts describe this entry’s documentation, not authenticity, rarity or completeness. Photographs may show one specimen; check each caption and licence.
Technical characteristics
- Type
- Manual-winding wristwatch
- Model
- 2505
- Caliber
- Omega 266
- Case diameter
- 38.50mm
- Case material
- Stainless steel
- Place recorded
- Switzerland
- Movement serial
- 14153013
- Maker / attribution
- Omega
- Case back inscription
- Acier Inoxydable – Omega Watch Co. – Fab Suisse – 2505-30
Design
- Case and Dial
- The watch is housed in a stainless steel case measuring 38.5mm in diameter without the crown and 47mm in length across the lugs. The crown is original to the piece, bearing the Omega logo. The dial is circular and finished with a gold Arabic numeral at the 12 o'clock position. The other hour markers consist of a mix of batons and dots. The time is indicated by gold Losange-style hands, while a sub-second register sits at 6 o'clock. The interior of the case back is marked with the reference 2505-30 and the inscription "Acier Inoxydable – Omega Watch Co. – Fab Suisse".
- Visible features
- • Gold-toned Arabic numeral at 12 o'clock position • Sub-seconds sub-dial located at 6 o'clock • Crown featuring the Omega logo • Patterned brown leather strap with Omega-branded buckle
- Movement and Function
- Power is provided by a manual winding movement, specifically the Omega Caliber 266. The movement is specified as having 17 jewels, an oscillation rate of 18,000 bph, and a power reserve of 45 hours. The movement is individually numbered 14153013. The watch includes a sub-second indicator located at the 6 o'clock position on the dial. The auction description reports that the watch is in good working condition.
- Provenance and Identification
- The object is identified by the model number 2505 and the manufacturing year of 1954. The watch is accompanied by a brown Omega-branded band and a corresponding stainless steel Omega buckle. No original box or papers are included with the object. The auction description reports the object's condition as very good. The provided serial number for the movement is 14153013, which relates to the production of the Omega 266 caliber range.
Identification
- Reference
- 2505
- Serial number
- 14153013
- Source note
- Facts transcribed from the linked source listing or collection record. Attribution and specifications are source-reported and have not been independently authenticated.
Catalogue references
No catalogue numbers recorded. Numbers are only published once transcribed from a verified edition of a standard catalogue — they are never inferred.
Research required
- Research required: Condition of the dial finish is unverified
- Research required: Accuracy and longevity of the manual movement are not independently confirmed