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Seiko Prospex

SPB237J1 [N]

SPB237J1 [N]

$1,873
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Seiko Prospex x Automatic ft. 1970 Heritage aka Captain Willard Reissue Men Diver Tonneau 200m Water Resistant Watch SPB237J1 SPB237 SPB-237 SPB-237J1

Celebrate Seiko dive watch legacy with this Prospex Limited Edition, inspired by 1965-1970 fabric strap models. Featuring a vintage-inspired dial, modern 6R35 automatic movement (70h power reserve), and 200m water resistance, this collector piece blends retro aesthetics with professional dive performance. Includes a premium fabric strap for authentic heritage appeal.

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 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
Made in Japan
Additional fabric (polyester) band inclusive
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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