Seiko Prospex has unveiled its inaugural solar-powered watch featuring a GMT hand, the Seiko Prospex "Sumo" Solar GMT watches. Seiko watch lovers will love this new collection, as this is a watch designed for the adventurous and active lifestyle. Introducing all four models, the Seiko SFK Series and Japan domestic market models SBPK• Blue SFK001• Green SFK003 / (SBPK001 JDM)• Black (SBPK003 JDM) • Pepsi (SBPK005 JDM) 2023 Seiko Prospex Sumo Solar GMT all 4 models, from left : Black (SBPK003 JDM) , Green SFK003 / (SBPK001 JDM), Blue SFK001 and Pepsi (SBPK005 JDM) Each of the Solar Sumo dials adds a vibrant color touch to the intricately embossed pattern design. They offer maximum comfort, superior water resistance, and accurate quartz movement for excellent timekeeping. This new Seiko Prospex "Sumo" Solar GMT collection of watches is made from superior materials
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The nickname Sumo was initially not the official name of this Prospex series of watches. Yet somehow the name stuck and is now acknowledged by Seiko itself. The name’s origins could be explained by some theories. The first theory is that of the robust, oversized countenance of the watch together with a thin 20mm bracelet. The second explanation lies in how the 12 o’clock marker looks like a Mawashi, the underwear donned by Japanese sumo wrestlers during a match.
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