Omega Ref. 2915-1 Speedmaster "Broad Arrow" Chronograph Wristwatch
Record status
Individual type · partial
Period
1957
Maker / issuer
OmegaThis reference 2915-1 is a manual-winding stainless steel chronograph wristwatch manufactured by Omega in 1957. Identified as an early Speedmaster "Broad Arrow" model, the piece features an external stainless steel bezel engraved with a tachymeter scale, along with pump chronograph pushers and a winding crown.
The auction catalog notes that it is powered by the 17-jewel caliber 321 manual movement. The dial displays an aged chocolate brown tropical tone with three subsidiary dials, an oval Omega symbol, luminous hour markers, and signature broad arrow hands, paired with a leather strap.
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
- Chronograph
- Calibre
- Manual, cal. 321, 17 jewels
- Diameter
- 38mm
- Reference
- 2915-1
- Case Material
- Stainless steel
- Place recorded
- Switzerland
- Movement Number
- 15'500'006
- Production Date
- November 22, 1957
- Maker / attribution
- Omega
Design
- Visible features
- • Uniform rich brown 'tropical' dial surface with three recessed subsidiary registers. • Steel bezel showing an engraved tachymeter scale reading 'TACHYMÈTRE BASE 1000'. • Broad Arrow hour hand and straight minute hand filled with aged luminous compound. • Fitted with a textured black strap and two round chronograph pushers flanking the signed winding crown.
- Identity and Reference
- This timepiece is identified as an Omega Speedmaster 'Broad Arrow', reference 2915-1. The movement number is 15'500'006. The watch is manufactured in stainless steel with a 38mm diameter. Omega records confirm the production of this specific watch on November 22, 1957.
- Dial and Visual Features
- The dial displays a uniform 'tropical' tone described as a vibrant milk-chocolate shade. It features three subsidiary registers and an oval Omega logo. The watch is equipped with 'Broad Arrow' hands and luminous material on the dial and hands that has aged to a golden tone. The bezel is stainless steel with an engraved tachymeter scale.
- Mechanical Specification
- The watch is powered by the manual-winding caliber 321 movement with 17 jewels. External features include two round chronograph pushers flanking a signed winding crown. A leather strap with a stainless steel Omega pin buckle is included.
Identification
- Reference
- 2915-1
- Serial number
- 15'500'006
- 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: Movement and case back are not visible in the photograph.
- Research required: Accompanied archive extract and literature are mentioned in the text but not shown.