![OMEGA | REFERENCE BA1750037 SPEEDMASTER PERPETUAL A LIMITED EDITION YELLOW GOLD AUTOMATIC PERPETUAL CALENDAR CHRONOGRAPH WRISTWATCH WITH MOON PHASES, CIRCA 1991 | Important Watches | 2020 | Sotheby's OMEGA | REFERENCE BA1750037 SPEEDMASTER PERPETUAL A LIMITED EDITION YELLOW GOLD AUTOMATIC PERPETUAL CALENDAR CHRONOGRAPH WRISTWATCH WITH MOON PHASES, CIRCA 1991 | Important Watches | 2020 | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/a6ad4d0/2147483647/strip/true/crop/2000x2000+0+0/resize/385x385!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2Fb4%2F17%2F2a7c8be84271b6db98024bf6343d%2Fn10388-bkr55-omega-2.jpg)
OMEGA | REFERENCE BA1750037 SPEEDMASTER PERPETUAL A LIMITED EDITION YELLOW GOLD AUTOMATIC PERPETUAL CALENDAR CHRONOGRAPH WRISTWATCH WITH MOON PHASES, CIRCA 1991 | Important Watches | 2020 | Sotheby's
![A Chinese blue and yellow moon-flask, Qianlong mark, : Lot 86 | Yellow moon, Chinese pottery, Porcelain ceramics A Chinese blue and yellow moon-flask, Qianlong mark, : Lot 86 | Yellow moon, Chinese pottery, Porcelain ceramics](https://i.pinimg.com/736x/c4/1b/7e/c41b7e3b746336e162ac53ca9d9d8cbe.jpg)
A Chinese blue and yellow moon-flask, Qianlong mark, : Lot 86 | Yellow moon, Chinese pottery, Porcelain ceramics
![OMEGA | REFERENCE BA1750037 SPEEDMASTER PERPETUAL A LIMITED EDITION YELLOW GOLD AUTOMATIC PERPETUAL CALENDAR CHRONOGRAPH WRISTWATCH WITH MOON PHASES, CIRCA 1991 | Important Watches | 2020 | Sotheby's OMEGA | REFERENCE BA1750037 SPEEDMASTER PERPETUAL A LIMITED EDITION YELLOW GOLD AUTOMATIC PERPETUAL CALENDAR CHRONOGRAPH WRISTWATCH WITH MOON PHASES, CIRCA 1991 | Important Watches | 2020 | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/437be11/2147483647/strip/true/crop/2000x2000+0+0/resize/1024x1024!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2Fc5%2F00%2Fdc63c93143f7a718cd09ddbba3bf%2Fn10388-bkr55-omega-1.jpg)