Just serviced, and in lovely condition, one of the finest watches in the world at the time, we have replaced the crystal, and provided a new quality leather strap - An excellent Cheltenham made Smiths Watch
Year:  manufactured circa 1956
Movement: Caliber 12.15 CS27
Jewel count: 17 Ruby
Accuracy: +- 60 seconds/day
Beat: 18,000 per hour (5 per second)
Power: approx 36 hours on full wind
Size: Width (exc crown) 32mm 33.5mm (including crown), length (lug to lug) 40mm, 16mm strap