This is a rare Japanese baroque blue saltwater akoya cultured pearl station bracelet. 

The pearls are baroque and measure 7.50-8.50mm. They have great luster with rosy pink overtones. The color is a medium grayish blue. Medium amount of blemishes including wrinkles, tails and other features of baroque pearls. 

It is set solid 10K yellow gold. The clasp is a modern style and is stamped "10K". Total length is 7 3/8 inch. Mid-Century. 

All pearls are truly vintage and have only been lightly cleaned.