For sale is a nice condition aviator watch on RIOS 1931 strap. Sellita Swiss movement keeps good time. Price: Asking $400 OBO Shipped CONUS. Accept Paypal F&F, G&S (with fee) Watch only, no bracelet. Running well Specs as below: **CASE** • 316L stainless steel, brushed finish • Diameter 39mm, 42.8mm including crown • Lug to lug height 46mm • Thickness 11.7mm • Lug spacing 20mm • Anti-magnetic 20000 A/m with anti-magnetic movement cover and movement retaining ring • Water resistance 100 metres, also negative pressure tested to 0.4 ATM • Screw back, crown tube screwed into case (not pressed), unique serial number **DIAL** • Semi-matte black soft iron anti-magnetic, white painted numbers and triangle • Luminous: Hour markers Super Luminova C3 • Date at 6 o'clock (no date on PRS-1 dial) **HANDS** • Frosted silver minute & hour hands, all luminous filled. White seconds hand (black hands on PRS-1 dial) • Luminous: Super Luminova C3 **CRYSTAL** • Domed sapphire with anti-reflective on underside **MOVEMENT** • Sellita SW200-1, 26 jewel automatic (Swiss) • Swiss Made