1990 Omega Speedmaster Moonwatch ref. 3590.50 “Long R Dial”

Up for grabs is an Omega Speedmaster Professional Moon Watch

3590.50.00 reference with caliber 861 movement

482585XX serial number circa 1990 before Omega started engraving the serial number underneath the lug.

Excellent vintage condition watch with minor signs of wear and age. Has previously been polished.

Dial is original, tritium with nice patina. Damage free. The hands are newer, luminova, still briefly glow in the dark. A standard replacement procedure by Omega during a service.

Caseback is excellent and stamped ST 145022

Crystal is hesalite Omega with logo in center.

Bracelet is original Omega 1479 in nice and tight condition. Also is unpolished.

No service history is known. No box or papers. The watch currently runs at -1 seconds with about 280 amplitude.