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Seiko Prospex

SPB381J1

SPB381J1

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Seiko Prospex x Mechanical GMT ft. 1968 Diver Modern Re-Interpretation Men Casual Formal Round Diver 200m Water Resistant Watch SPB381J1 SPB381 SPB-381 SPB-381J1

Caliber Number / Movement
6R54 (automatic with manual winding capacity)

Power Reserve / Accuracy
Approximately 72 hours (+25 to -15 seconds per day)

Crystal
Sapphire crystal (anti-reflective coating)

LumiBrite
Lumibrite on hands, indexes and bezel

Case & Band Material
Stainless steel (super hard coating) case with metal band (three-fold clasp with secure lock, push-button release with extender)

Water Resistance
200m / 660ft diver’s

Case Size
Thickness: 12.9 mm
Diameter: 42.0 mm
Length: 48.6 mm

Other Specifications
Seiko Prospex x Mechanical GMT ft. 1968 Divers' Modern Re-Interpretation
Made in Japan
Magnetic resistance (4,800 A/m)
Unidirectional rotating bezel
Screw-down crown
Screw case back
24 jewels
Date and 24-hour (GMT) display
Stop second hand function (hacking mechanism)
Regular timekeeping (analog display)

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