Seiko prospex alpinist 2021
The Seiko Prospex Alpinist (SPB157) is a watch model from the Seiko brand and Prospex collection. The average price of a Seiko SPB157 on the private sales market is $545, while you can expect to pay $588 from a gray market dealer. Seiko SPB157 is trending down 15.4% in price over the past 180 days. 2.