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Seiko Prospex

SPB337J1 (LE) [N]

SPB337J1 (LE) [N]

$1,417
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Seiko Prospex x Automatic ft. Alpinist aka The Black Series (Limited Edition of 5,500 Pieces) Men Formal Round 200m Water Resistant Watch SPB337J1 SPB337 SPB-337 SPB-337J1

Conquer the extremes with the Seiko Prospex Alpinist Black Series Limited Edition, blending the 1959 Alpinist heritage with modern adventure-ready tech. Featuring a black-coated stainless steel case, Green LumiBrite Pro for night visibility, rotating inner compass ring, and 70-hour automatic movement, this 200m water-resistant timepiece is built for exploration. The anti-reflective sapphire crystal and see-through caseback complete this professional-grade tool watch.

Caliber Number / Movement
6R35 (automatic with manual winding capacity)

Power Reserve / Accuracy
Approximately 70 hours (+25 to -15 seconds per day)

Crystal
Sapphire crystal with magnifier (anti-reflective coating)

LumiBrite
Lumibrite on hands and indexes

Case / Band Material
Stainless steel (hard coating) case with stainless steel band (three-fold clasp with push-button release)

Water Resistance
200m / 20 bar

Case Size
Thickness: 13.2 mm
Diameter: 39.5 mm
Length: 46.4 mm
Lug width: 20.0 mm

Other Specifications
Seiko Prospex x Automatic ft. Alpinist aka The Black Series (Limited Edition of 5,500 Pieces)
Made in Japan
LIMITED EDITION on the case back
Serial number engraved on the case back
Rotating compass inner ring
See-through case back
Screw-down crown
Screw case back
24 jewels
Date display
Stop second hand function (hacking mechanism)
Regular timekeeping (analog display)

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