Beige gold dial, golden hands, golden hour markers, quality Shanghai 17-jewel classic movement with date function, Shanghai 510 is a well-made nostalgic timepiece reminiscent of the A623.
Shanghai 510 closely resembles Shanghai A623. The most noticeable difference is 12 o'clock. Where A623 is all bar-shaped hour markers, 510's hour markers are wedge-shaped, with a large 12 numeral. In addition, A623's dial is silver white; 510's dial is beige gold.
Currently, genuine A623 in good condition costs over 1,000USD and is hard to find. Therefore, Shanghai 510 is a good substitute for A623 for daily use, gift-giving, and collection hobby.