OMEGA

Pre-owned Speedmaster 4.5 – Reference 1760015 – Automatic Chronograph (1975) In Multi

A classic and increasingly collectable Omega Speedmaster "4.5”, this reference 1760015 is dated to 1975 by the serial number and has just been fully serviced in-house in March 2026. Offered in honest, original condition with its original bracelet and a later Omega box. Key Details • Model: Omega Speedmaster "4.5” • Reference: 1760015 • Year: 1975 (dated by serial) • Case Size: 40mm • Case Material: Stainless steel • Crystal: Mineral glass • Dial: Black, naturally aged with light discolouration • Functions: Day and date at 3, full chronograph • Movement: Automatic chronograph movement • Service: Completed in-house 20/03/2026 • Strap/Bracelet: Original Omega steel bracelet • Box: Later Omega box included • Guarantee: 12-month mechanical warranty Condition Report Case: Unpolished to preserve originality. Visible scratches, marks and blemishes throughout as expected for age. Polishing available upon request. Dial: Original dial showing natural ageing and some discolouration. Crystal: Mineral glass with visible marks and wear appropriate for its age. Bracelet: Original steel bracelet showing wear; left unpolished. Movement: Fully serviced March 2026 and running correctly. Overall: An honest, original example showing expected signs of wear but mechanically in excellent order. Working Order Serviced in-house in March 2026 and running exactly as it should. Includes a 12-month mechanical guarantee. Our View The Speedmaster 4.5 represents one of Omega’s most distinctive 1970s designs, with its tonneau-shaped case, automatic chronograph movement and bold layout. This 1975 example remains true to its roots, left unpolished for collectors who appreciate authenticity and the charm of true vintage wear. Fully serviced and mechanically excellent, it’s a strong and increasingly sought-after option for anyone interested in this era of Speedmaster history. What’s Included Original Omega steel bracelet Later Omega box 12-month mechani