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The Seiko Prospex Sumo SPB103J delivers performance and reliability for diving enthusiasts. It features automatic movement with manual winding via the 6R35 caliber, maintaining an accuracy of +25 to -15 seconds per day. The stop seconds hand function allows precise time setting.
The watch has a stainless steel case measuring 45mm in diameter, 12.9mm thick, and 52.6mm lug-to-lug, giving it a bold wrist presence. Sapphire crystal protects the green dial. LumiBrite on the hands, indexes, and bezel ensures easy reading in low light.
The three-fold clasp with secure lock, push-button release, and extender keeps the Seiko Prospex Sumo SPB103J secure and comfortable. Its 200m / 660ft water resistance, screw-down crown, and unidirectional rotating bezel make it ready for underwater adventures.
Additional features include a date display, 24 jewels, and screw case back. Seiko offers a 3-year warranty, confirming its durability and quality.
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