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Seiko 5 Sports

HDB001K1

HDB001K1

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Seiko 5 Sports x Automatic ft. Field GMT Series aka Khaki Drill Men Formal Round 100m Water Resistant Watch HDB001K1 HDB001 HDB-001 HDB-001K1

Seiko 5 Sports Field GMT HDB001 Khaki Drill, a compact 39.4mm stainless steel case with a curved hardlex crystal. Powered by the in-house automatic caliber 4R34 with a 41-hour power reserve, hacking seconds, and a 24-hour GMT hand for dual-time zone tracking. The green dial features large Arabic numerals and LumiBrite for low-light legibility.

Caliber Number / Movement
4R34 (automatic with manual winding capacity)

Power Reserve / Accuracy
Approximately 41 hours (+45 to -35 seconds per day)

Crystal
Hardlex crystal (curved)

Luminous
LumiBrite on hands and indexes

Case / Band Material
Stainless steel case with stainless steel band (three-fold clasp with secure lock, push-button release)

Water Resistance
100m / 10 bar

Case Size
Thickness: 13.6 mm
Diameter: 39.4 mm
Length: 47.9 mm
Lug width: 20.0 mm

Other Specifications
Seiko 5 Sports x Automatic ft. Field GMT Series aka Khaki Drill
Magnetic resistance (4,800 A/m)
See-through case back
Screw case back
24 jewels
Date and 24-hour (GMT dual time) display
Stop second hand function (hacking mechanism)
Regular timekeeping (analog display)
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