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Seiko Prospex

SPB257J1 (LE) [O]

SPB257J1 (LE) [O]

$1,873
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Seiko Prospex x Automatic ft. 1970 Heritage aka Captain Willard Reissue aka The Black Series (Limited Edition of 5,500 Pieces) Men Diver Tonneau 200m Water Resistant Watch SPB257J1 SPB257 SPB-257 SPB-257J1

Explore Seiko Prospex Black Series - stealthy 200m dive watches with all-black DLC-coated cases, sapphire crystals, and the 6R35 movement (70h power reserve). These monochromatic tool watches feature lumibrite markers, unidirectional bezels, and rugged silicone straps, blending tactical aesthetics with professional dive performance.

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

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

Crystal
Sapphire crystal (curved, anti-reflective coating)

LumiBrite
Lumibrite on hands, indexes and bezel

Case / Band Material
Stainless steel (hard coating) case with fabric (polyester) band

Water Resistance
200m / 660ft diver

Case Size
Thickness: 13.2 mm
Diameter: 42.7 mm
Length: 46.6 mm
Lug width: 20.0 mm

Other Specifications
Seiko Prospex x Automatic ft. 1970 Heritage aka Captain Willard Reissue aka The Black Series (Limited Edition of 5,500 Pieces)
Made in Japan
Additional silicone strap inclusive
LIMITED EDITION on the case back
Serial number engraved on the case back
Unidirectional rotating bezel
Screw-down crown
Screw case back
24 jewels
Date display
Stop second hand function (hacking mechanism)
Regular timekeeping (analog display)

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