Seiko · Family: Prospex
The Seiko Prospex SRPE93, known as the "Turtle" for its cushion-shaped case, is the current version of the diver Seiko launched in 1976 as reference 6309 and revived in 2016. A 45mm steel case, automatic Calibre 4R36 with hacking and hand-winding, day-date display, and 200 meters of Diver's-standard water resistance. Cazador has no verified price observations for this reference yet (n=0).
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In 1976, Seiko launched the 6309 diver with an asymmetric cushion case and crown at 4 o'clock that the community nicknamed the "Turtle": rugged, comfortable despite its width, and ubiquitous on the wrists of professional and military divers through the eighties.
Four decades later, in 2016, Seiko resurrected it within the Prospex range with the SRP777 series and its siblings, faithful to the original silhouette but with the modern 4R36 calibre, adding hacking seconds and hand-winding — two historic omissions of the house's budget automatics.
The SRPE93 is the current continuation of that reissue in its classic configuration: black dial and bezel, day-date, generous LumiBrite, and a silicone strap. It meets the 200-meter Diver's standard, with a unidirectional bezel and first-rate darkness legibility.
In Cazador's catalog it is the first pure Prospex diver, the link between the veteran SKX007 already covered and the upper tier of Japanese divers: a lot of tool watch for the money and one of the most recognizable silhouettes in sports watchmaking.
Cazador has no verified price observations for this reference (0 PricePoints recorded as of today). We do not publish estimates without our own sourced market data.
Because of its cushion-shaped case with rounded flanks, which from above resembles a turtle shell. The nickname was born with the 1976 reference 6309 and carries over to its reissues.
Yes, it meets the 200-meter Diver's standard: unidirectional bezel, total-darkness legibility, and water resistance tested for recreational scuba diving.
Hacking seconds for time-syncing and hand-winding via the crown, plus day and date. It beats at 21,600 vph with about 41 hours of reserve.
Better than the number suggests: lug-to-lug is only 47.7mm thanks to the cushion shape, so it sits like many 42mm watches.
Since 1965, when it launched Japan's first diver (the 62MAS); the Prospex range now groups all its professional sea, land, and air watchmaking.