Omega 1552.30.00
Omega, perpetual calendar constellation series, model: 1552.30.00, quartz men's watch, diameter: 35mm, rare item worth collecting, 1680 perpetual calendar movement, one head with four levels of calibration - hour, minute, second, time zone, morning and afternoon, month, size, year, about 300 times higher than the accuracy of the Ultimate Observatory, with a difference of a few seconds between years, single watch