Battle of Watches: Seiko Turtle Prospex vs. Citizen Promaster Automatic

In the dynamic world of wristwatch collecting, few rivalries ignite as much passion as those between automatic divers of Japanese origin. At Joyería Cánovas, we're opening the ultimate debate by pitting two titans of the sea against each other, each dominating the market with their unbeatable value for money and technical robustness. Which side are you on?

The Historical Contender: Seiko Prospex "Turtle" (Ref. SRPE93K1)

The Seiko Turtle enters the ring backed by one of the most iconic and recognizable silhouettes in the watchmaking community. Its 45mm diameter steel case stands out for its ergonomic comfort, complemented by a black silicone strap and a unidirectional rotating black bezel. Mechanics: Equipped with the in-house automatic caliber 4R36 (with manual winding and hacking seconds options), it features 24 jewels and a 41-hour power reserve. Premium Details: Clean black dial, double calendar (day of the week and month) at 3 o'clock, Hardlex crystal, and legendary luminescence thanks to the Lumibrite compound on the hands and indices. A true emblem with 200-meter water resistance certification. The Vibrant Challenger: Citizen Promaster (Ref. NY0121-09X) Responding to the challenge, Citizen offers a much fresher and more summery timepiece. With a more compact 41mm diameter steel case, this Promaster immediately stands out thanks to its striking green dial with a textured finish and a matching unidirectional rotating bezel. Mechanics: It beats thanks to the reliable automatic caliber 8204 movement from the Citizen-Miyota group, manufactured entirely in Japan, which also features hacking seconds and a day/date function. Premium Details: It offers superior comfort thanks to its green rubber strap, ideal for water activities, highly visible luminescent hands and markers, and 200 meters of water resistance, making it an undisputed marine companion. Both pieces represent the pinnacle of functional Japanese design, come with a 3-year warranty, and are ready to dive with you. The final decision depends on what you're looking for: the rich history and robustness of the Seiko Turtle, or the comfort, color, and summery spirit of the Citizen Promaster. Watch the video and full review of both here.