Omega Seamaster 120 'Baby Ploprof' Reference 166.0250
Record status
Individual type · partial
Period
c. 1979
Maker / issuer
OmegaThis is a stainless steel Omega Seamaster 120 diver's wristwatch, commonly known as the 'Baby Ploprof', reference 166.0250, dating to circa 1979. The watch features an asymmetrical tonneau-shaped stainless steel case measuring 38 mm in width, fitted with a calibrated black rotating bezel and a steel Milanese mesh bracelet.
Its black dial is printed with baton indices, depth ratings of 120m/400ft, a date aperture at 3 o'clock, and broad luminous hands. According to the seller, the wristwatch is powered by the 17-jewel Omega Calibre 1010 automatic mechanical movement.
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
- Diver's watch
- Width
- 38mm
- Jewels
- 17
- Calibre
- 1010
- Lug Width
- 22mm
- Reference
- 166.0250
- Dial Colour
- Black
- Case Material
- Stainless Steel
- Place recorded
- Switzerland
- Maker / attribution
- Omega
Design
- Visible features
- • Matte black dial marked 'Omega', 'Seamaster', 'AUTOMATIC', '120 m/400ft', and 'SWISS MADE'. • Framed date window positioned at 3 o'clock. • Luminous baton hour markers and chunky luminous hands, including a broad arrow minute hand. • Calibrated rotating black bezel with luminous triangle at 12 o'clock. • Fitted to a stainless steel Milanese mesh bracelet.
- Dial Configuration and Display
- The matte black dial features baton hour indices and a framed date window at the 3 o'clock position. The hands are chunky, including a distinctive broad arrow minute hand. Visible dial inscriptions include 'Omega', 'Seamaster', 'AUTOMATIC', '120 m/400ft', and 'SWISS MADE'. The vendor describes the hour markers as tritium indices.
- Case Construction and Exterior Hardware
- The timepiece features a stainless steel case reported by the seller with a width of 38 mm, a lug height of 42 mm, and a lug width of 22 mm. The bezel is a calibrated rotating black insert with a luminous triangle marker visible at 12 o'clock. A steel bracelet, described by the seller as an Omega Milanese mesh 'seatbelt' bracelet, is fitted to the case. The vendor lists the crystal material as sapphire.
- Reported Movement and Technical Specifications
- The mechanical movement is not visible in the provided image. The seller states the watch is powered by a mechanical automatic Omega Calibre 1010 featuring 17 jewels and an estimated 42-hour power reserve. The reference is recorded as 166.0250 with a reported date of issue of circa 1979. The listing notes that neither original box nor papers are included.
Identification
- Reference
- 166.0250
- 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: The internal mechanical movement and case back are not visible in the provided photograph.
- Research required: Movement caliber and jewel count rely on seller descriptions.