Seiko SSK003J1 Automatic Men's Watch

The Seiko 5 Sports GMT SSK003J1 (aka “Blue Batman”) is a rugged yet refined automatic GMT diver-style watch that pays homage to Seiko’s legendary SKX line. At its heart beats the Seiko 4R34 movement—an evolved variant of the workhorse 4R36—offering hacking, manual winding, a 24-hour GMT hand, and about 41 hours of power reserve. The steel case spans 42.5 mm in diameter, 13.6 mm in thickness, with a 46 mm lug-to-lug and houses a blue sunray dial under a Hardlex crystal accented with a magnifying cyclops over the date display at 3 o’clock Fueling its GMT functionality is a two-tone blue/black 24-hour bezel, crafted from Hardlex, designed for quick AM/PM reference, and operated via smooth uni-directional rotation .The jubilee-style five-link bracelet is polished and brushed to echo the SKX aesthetic while delivering comfort; Reddit users even praise how it “wears like a dream despite the heft”. Lumibrite lume coats the hands, dial markers, and GMT tip for excellent legibility in low light. A screw-down see-through caseback and water resistance rated to 100 m suit daily adventures. Retailing at roughly USD 380–470, the SSK003J1 is acclaimed for delivering a true GMT complication in a sub-$500 package, with one fan calling it “a great, well-made, versatile sports watch with a mechanical GMT movement”

• Movement: Caliber: Seiko 4R34 (automatic with manual winding)
• Jewels: 24
• Frequency: 21,600 vibrations per hour (3 Hz)
• Power Reserve: Approximately 41 hours
• Functions: Time: Hours, minutes, seconds
• Date display (with magnifier)
• 24-hour GMT hand (independent setting)
• Hacking and hand-winding supported
• Case: Material: Stainless steel
• Diameter: 42.5 mm
• Thickness: 13.6 mm
• Lug-to-lug: 46 mm
• Bezel: Bi-color: Blue/black “Batman” theme
• 24-hour scale, Hardlex insert
• Unidirectional rotation
• Crystal: Hardlex with date magnifier (cyclops)
• Caseback: Exhibition (see-through), screw-down
• Crown: Push/pull style at 4 o’clock
• Dial: Color: Blue sunburst
• Markers: Applied indices with LumiBrite
• Hands: Sword-style, GMT hand tipped in red with LumiBrite
• Bracelet: Style: 5-link jubilee-style stainless steel
• Clasp: Folding with push-button release and safety lock
• Lug Width: 22 mm
• Weight: Approx. 161 g
• Water Resistance: 100 meters (10 bar)
• International Market
• SKX-inspired design (crown at 4 o’clock, case shape, markers)
• Warranty: 1 Year

Additional Information

• Brands: Seiko
• Band Color: Silver
• Color of the dial: blue
• Features: Automatic, Date
• Gender: Men
• Size: 42mm
• Water Resistant: 100M