Omega Speedmaster Speedy Tuesday Anniversary 3184.108.40.206.01.001 Famous manual-winding Chronometer movement, know for its journey to the moon, Omega Caliber 1861. 48 hour power reserve. 42mm steel case. Steel tachymeter bezel. Water resistant to 50 meters. Black dial with silver sub dials and index hour markers. Celebrating the 5th anniversary of #SpeedyTuesday, this makeover of the 1978 Speedmaster “Alaska Project III” Tan leather strap with Omega steel buckle. Box and papers dated October 2017. Pre-owned UNUSED. Our reference S22184.