Photo by 663highland (CC BY 2.5), via Wikimedia Commons · shown: Prospex family photo
Prospex Turtle
The Turtle nickname comes from the cushion-cased silhouette of the 1976 6309-7040; revived by Seiko in 2016 with the SRP777 and SRP779. The SRPE93 carries the Save the Ocean Manta Ray colorway with the 4R36 caliber.